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A. Lange & Söhne Lange 1 Yellow gold 42mm White United States of America, Florida, Sunny Isles Beach
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A. Lange & Söhne Lange 1 Time Zone 116.021 Mens Yellow Gold
$27,500
Seller
Trade Watches
84
US
A. Lange & Söhne Lange 1 Platinum 38.5mm Silver Roman numerals United States of America, Massachusetts, Boston
A. Lange & Söhne 109.025 Lange 1 Moon Platinum (31708)
$33,500
Seller
European Watch Company
310
US
A. Lange & Söhne Lange 1 Rose gold 41.9mm Silver No numerals United States of America, Texas, Houston
A. Lange & Söhne Lange 1
$200,000
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Fine Watch Bank
58
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A. Lange & Söhne Lange 1 Platinum 41.9mm Silver Roman numerals United States of America, Florida, Boca Raton
A. Lange & Söhne Lange 1 Time Zone Platinum 116.025
$42,500
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Kronopassion
57
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A. Lange & Söhne Lange 1 Platinum 38.5mm Silver Roman numerals United States of America, Pennsylvania, Bala Cynwyd
A. Lange & Söhne Lange 1 Moonphase 109.025
$28,950
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WatchBox
523
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A. Lange & Söhne Lange 1 Red gold 38.5mm Silver Roman numerals United States of America, Arizona, Scottsdale
A. Lange & Söhne 101.031 Lange 1, Red Gold, Black Dial
$17,950
Seller
FeelGoodWatches, Inc.
12
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A. Lange & Söhne Lange 1 Platinum 38.5mm Silver United States of America, New York, New York
TOP
A. Lange & Söhne Lange 1 Ref: 191.025 Mens Watch
$22,099
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Phigora
259
US
A. Lange & Söhne Lange 1 5.9mm Roman numerals United States of America, Missouri, Chesterfield
A. Lange & Söhne LANGE 1 Champagne Dial Yellow Gold 38.5mm
$19,500
Seller
Watches 24 Seven, LLC
79
US
A. Lange & Söhne Lange 1 Rose gold 42mm Silver Roman numerals United States of America, New York, Hartsdale
A. Lange & Söhne Lange 1
$31,500
Seller
Tarrytown Jewelers
225
US
A. Lange & Söhne Lange 1 United States of America, California, Beverly Hills
A. Lange & Söhne 116.025
$38,100
Seller
Chad Warrick
24
US
A. Lange & Söhne Lange 1 Rose gold 39.5mm Silver Roman numerals United States of America, Massachusetts, Boston
A. Lange & Söhne 320.032 Lange 1 Daymatic 18K Rose Gold /...
$28,500
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European Watch Company
310
US
A. Lange & Söhne Lange 1 Rose gold 39.5mm Silver Roman numerals United States of America, Texas, Houston
A. Lange & Söhne Lange 1
$26,700
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Fine Watch Bank
58
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A. Lange & Söhne Lange 1 Rose gold 41.9mm Silver Roman numerals United States of America, Florida, Boca Raton
A. Lange & Söhne Lange 1 Time Zone 18K Rose Gold 116.032
$32,500
Seller
Kronopassion
57
US
A. Lange & Söhne Lange 1 Rose gold 38.5mm Silver Roman numerals United States of America, Pennsylvania, Bala Cynwyd
A. Lange & Söhne Lange 1 Moon Phase 109.032
$28,950
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WatchBox
523
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A. Lange & Söhne Lange 1 Rose gold 39mm White United States of America, Arizona, Scottsdale
A. Lange & Söhne 1 Moonphase Rose Gold 109.032
$23,950
Seller
FeelGoodWatches, Inc.
12
US
A. Lange & Söhne Lange 1 Yellow gold 38.5mm Gold United States of America, Illinois, BUFFALO GROVE
A. Lange & Söhne Lange Yellow Gold 38.5mm ref: 101.021 Full Set
$22,000
Free shipping
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Burdeens Jewelry
68
US
A. Lange & Söhne Lange 1 Yellow gold Silver United States of America, Missouri, Chesterfield
A. Lange & Söhne Lange 1 Moon Phase 18K Yellow Gold 38.5mm
$29,995
Seller
Watches 24 Seven, LLC
79
US
A. Lange & Söhne Lange 1 Yellow gold 39.5mm Silver United States of America, New York, Hartsdale
A. Lange & Söhne Lange 1 Daymatic
$31,150
Seller
Tarrytown Jewelers
225
US
A. Lange & Söhne Lange 1 Platinum Black United States of America, California, Beverly Hills
A. Lange & Söhne Lange 1
$27,500
Seller
Chad Warrick
24
US
A. Lange & Söhne Lange 1 Platinum 38.5mm Silver Roman numerals United States of America, Connecticut, Greenwich
A. Lange & Söhne Lange 1 Tourbillon Limited Edition
$120,000
Seller
Manfredi Jewels
10
US
A. Lange & Söhne Lange 1 Rose gold United States of America, Texas, Houston
A. Lange & Söhne Limited Edition Lange 1 His/Hers
$62,400
Free shipping
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Fine Watch Bank
58
US
A. Lange & Söhne Lange 1 Yellow gold 41.9mm No numerals United States of America, Florida, Boca Raton
A. Lange & Söhne Lange 1 Time Zone Yellow Gold 116.021
$32,500
Seller
Kronopassion
57
US
A. Lange & Söhne Lange 1 Rose gold 38.5mm Silver Roman numerals United States of America, Pennsylvania, Bala Cynwyd
A. Lange & Söhne Lange 1 Tourbillon 704.032
$87,500
Free shipping
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WatchBox
523
US
A. Lange & Söhne Lange 1 Yellow gold 39mm Silver United States of America, California, Los Angeles
A. Lange & Söhne ランゲ1 101.021
$19,128
Free shipping
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Ippuukishi US LLC
25
US
A. Lange & Söhne Lange 1 Rose gold 38.5mm Silver United States of America, Georgia, Atlanta
A. Lange & Söhne Lange 1 101.032 Watch with Leather Bracelet...
$19,500
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Crown & Caliber
325
US
A. Lange & Söhne Lange 1 Rose gold 39.5mm Silver United States of America, New York, Airmont
A. Lange & Söhne 320.032
$28,000
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Prestige Time
361
US
A. Lange & Söhne Lange 1 Platinum 38.5mm White United States of America, Florida, Aventura
A. Lange & Söhne Lange 1 Cellini THE 25TH ANNIVERSARY
$36,000
Seller
BlackTagWatches
172
US
A. Lange & Söhne Lange 1 United States of America, California, Beverly Hills
A. Lange & Söhne 110.031 Lange 1 Soiree MOP
$20,900
Seller
Chad Warrick
24
US
A. Lange & Söhne Lange 1 Rose gold 38.5mm Silver Roman numerals United States of America, Connecticut, Greenwich
A. Lange & Söhne Lange 1 Tourbillon Limited Edition
$90,000
Seller
Manfredi Jewels
10
US
A. Lange & Söhne Lange 1 Yellow gold 38.5mm Silver United States of America, California, Beverly Hills
A. Lange & Söhne Yellow Gold Lange One First Series Watch,...
$24,000
Seller
The Keystone
28
US
A. Lange & Söhne Lange 1 Rose gold 38.5mm Roman numerals United States of America, Florida, Boca Raton
A. Lange & Söhne Lange 1 Moonphase 18k Rose Gold
$28,500
Seller
Kronopassion
57
US
A. Lange & Söhne Lange 1 Rose gold 41.9mm Silver Roman numerals United States of America, Pennsylvania, Bala Cynwyd
A. Lange & Söhne Lange 1 Time Zone 116.032
$31,950
Free shipping
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WatchBox
523
US
A. Lange & Söhne Lange 1 Yellow gold 39mm Silver United States of America, California, Los Angeles
A. Lange & Söhne ランゲ1 LS1011AA/101.021
$19,128
Free shipping
Seller
Ippuukishi US LLC
25
US
A. Lange & Söhne Lange 1 Rose gold 42mm Silver United States of America, Florida, 33431
A. Lange & Söhne Lange 1 Timezone 18k Rose Gold Mens Watch...
$35,888
Seller
Jewels in Time
98
US
A. Lange & Söhne Lange 1 White gold 38mm United States of America, New Jersey, bridgewater
A. Lange & Söhne Lange 1
$32,339
Seller
Private Seller
 
US
A. Lange & Söhne Lange 1 Rose gold 41.9mm Silver United States of America, New York, Airmont
A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar 41.9mm...
$285,430
Free shipping
Seller
Prestige Time
361
US
A. Lange & Söhne Lange 1 Rose gold 39.5mm Silver Roman numerals United States of America, New York, New York
A. Lange & Söhne Lange 1
$32,213
Free shipping
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Prestige Watch
273
US
A. Lange & Söhne Lange 1 Platinum Silver United States of America, Connecticut, Greenwich
A. Lange & Söhne Lange 1
$39,000
Seller
Manfredi Jewels
10
US
A. Lange & Söhne Lange 1 Yellow gold 42mm Silver Roman numerals United States of America, Texas, Dallas
A. Lange & Söhne Lange 1 Yellow Gold Men's Power Reserve Big...
$19,900
Seller
DeMesy Fine Watches
115
US
A. Lange & Söhne Lange 1 Yellow gold 38.5mm Roman numerals United States of America, Florida, Boca Raton
A. Lange & Söhne Lange 1 Moonphase 18k Yellow Gold
$26,500
Seller
Kronopassion
57
US
A. Lange & Söhne Lange 1 Platinum 38.5mm Silver Roman numerals United States of America, Pennsylvania, Bala Cynwyd
A. Lange & Söhne Lange 1 101.025
$28,950
Free shipping
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WatchBox
523
US
A. Lange & Söhne Lange 1 Yellow gold 38mm Silver United States of America, California, Los Angeles
A. Lange & Söhne ランゲ1 101.022
$20,833
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Ippuukishi US LLC
25
US
A. Lange & Söhne Lange 1 Platinum 39.5mm Silver United States of America, Florida, 33431
A. Lange & Söhne Lange 1 Daymatic Platinum Watch Box/Papers...
$51,800
Seller
Jewels in Time
98
US
A. Lange & Söhne Lange 1 Rose gold 38mm Silver Roman numerals United States of America, California, Newport Beach
A. Lange & Söhne Lange 1 109.032
$31,800
Seller
Pacific Bay Watch Corporation
135
US
A. Lange & Söhne Lange 1 Rose gold 41.9mm Silver United States of America, New York, Airmont
A. Lange & Söhne Lange 1 Time Zone 41.9mm 116.032
$42,840
Free shipping
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Prestige Time
361
US
A. Lange & Söhne Lange 1 Rose gold 38.5mm Silver United States of America, New York, New York
A. Lange & Söhne Lange 1 Pink gold with dial in argenté
$26,572
Free shipping
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Prestige Watch
273
US
A. Lange & Söhne Lange 1 Yellow gold United States of America, Massachusetts, Andover
A. Lange & Söhne LANGE 1
$18,900
Seller
Royal Jewelers
16
US
A. Lange & Söhne Lange 1 Silver United States of America, Florida, North Miami Beach
A. Lange & Söhne Lange 1 Moon Phase Rose Gold Men`s Watch 192.032
$31,500
Seller
World of Luxury
160
US
A. Lange & Söhne Lange 1 Steel 55mm United States of America, California, Culver City
A. Lange & Söhne Jungian 1/10 SECOND TIMER 50mm diameter Open...
$175
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watchcompany
437
US
A. Lange & Söhne Lange 1 Yellow gold 41.9mm Champagne Roman numerals United States of America, Pennsylvania, Bala Cynwyd
A. Lange & Söhne Lange 1 Time Zone 116.021
$31,950
Free shipping
Seller
WatchBox
523
US
A. Lange & Söhne Lange 1 White gold 39mm White United States of America, California, Los Angeles
A. Lange & Söhne ランゲ1 ソワレ 110.029
$24,431
Free shipping
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Ippuukishi US LLC
25
US
A. Lange & Söhne Lange 1 Rose gold 39.5mm Silver United States of America, Florida, 33431
A. Lange & Söhne Lange 1 Daymatic 18k Rose Gold Mens Watch...
$31,888
Seller
Jewels in Time
98
US
A. Lange & Söhne Lange 1 Rose gold 42mm Silver Roman numerals United States of America, California, Newport Beach
A. Lange & Söhne Grand Lange 1 116.032 Watch Pre-Owned
$35,500
Seller
Pacific Bay Watch Corporation
135
US
A. Lange & Söhne Lange 1 White gold 38.5mm Silver United States of America, New York, Airmont
A. Lange & Söhne Lange 1 38.5mm 191.039
$30,090
Free shipping
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Prestige Time
361
US
A. Lange & Söhne Lange 1 Rose gold Silver Roman numerals United States of America, New York, New York
A. Lange & Söhne Lange 1 Pink gold with dial in argenté
$38,508
Free shipping
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Prestige Watch
273
US
A. Lange & Söhne Lange 1 Rose gold 41.9mm Silver Roman numerals United States of America, New York, New York
A. Lange & Söhne Lange 1 Complete Set LIKE NEW
$29,750
Seller
Sea Wave Diamonds
220
US
A. Lange & Söhne Lange 1 Silver United States of America, Florida, North Miami Beach
A. Lange & Söhne Lange 1 Platinum Leather Manual Men's Watch...
$38,900
Seller
World of Luxury
160
US
A. Lange & Söhne Lange 1 Yellow gold 41.9mm Champagne Roman numerals United States of America, Pennsylvania, Bala Cynwyd
A. Lange & Söhne Lange 1 Time Zone 116.021
$29,950
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WatchBox
523
US
A. Lange & Söhne Lange 1 Rose gold 38.5mm Silver United States of America, New York, New York
A. Lange & Söhne Lange 1 Moonphase 18k Rose Gold Hand-Winding...
$26,900
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Midtown Watch
50
US
A. Lange & Söhne Lange 1 Rose gold 38mm Silver United States of America, Florida, 33431
A. Lange & Söhne 18k Rose Gold Moonphase 38mm Watch Box/Papers...
$28,888
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Jewels in Time
98
US
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A. Lange & Söhne Lange 1: A Glashütte Icon

The Lange 1 is A. Lange & Söhne's flagship timepiece. Its defining features include off-center displays and Lange's distinctive outsize date. Top models are made of platinum and have a tourbillon and perpetual calendar.

5 Reasons to Buy a Lange 1

  • A. Lange & Söhne's most famous watch
  • Recognizable design with cult status
  • Top models with a tourbillon and perpetual calendar
  • Lange 1 Time Zone for frequent travelers
  • Extremely rare with perfect finishes: the Lange 1 from the Handwerkskunst series

The Birth of a Success Story

The A. Lange & Söhne Lange 1 is defined by its off-center displays, outsize date, and perfectly finished movements. Since it debuted in 1994, this luxury watch has become an icon in the watch industry. Today, it is this storied Glashütte-based manufacturer's most famous model.

The Lange 1's design has changed very little in the last two decades. The harmonious layout of the dials lends this wristwatch its unmistakable appearance. Current models are available exclusively in precious metals like gold or platinum. Classic details like Roman numerals and delicate hands underscore this dress watch's elegant nature. The Lange 1 is the ideal timepiece for any festive or formal occasion.

Top models belong to the Handwerkskunst series, which contains A. Lange & Söhne's watchmaking masterpieces. Each watch is strictly limited in numbers and features even more intricate hand finishing than the standard editions. For example, the Lange 1 Tourbillon Perpetual Calendar Handwerkskunst has a particularly finely engraved white gold dial. Only 15 copies of this timepiece exist. This masterpiece has an official list price of 357,000 USD, making the Lange 1 Tourbillon Perpetual Calendar Handwerkskunst some 115,000 USD more expensive than its standard counterpart.

How much does an A. Lange & Söhne Lange 1 cost?

Model Price (approx.) Case Material Features
Lange 1 Tourbillon Perpetual Calendar, ref. 720.032 234,000 USD Pink gold Perpetual calendar, tourbillon
Lange 1 Tourbillon, ref. 704.025 124,000 USD Platinum Tourbillon
Grand Lange 1 Moon Phase "Lumen," ref. 139.035 88,000 USD Platinum Moon phase, semitransparent dial, luminous material, limited run of 200 watches
Lange 1 Time Zone, ref. 116.025 47,000 USD Platinum World time
Grand Lange 1 Moon Phase, ref. 139.032 36,000 USD Pink gold Moon phase
Lange 1 Daymatic, ref. 320.028 34,000 USD White gold Automatic
Lange 1 Moon Phase, ref. 192.032 33,000 USD Pink gold Moon phase
Grand Lange 1, ref. 117.028 31,000 USD White gold 72-hour power reserve
Lange 1, ref. 191.032 27,000 USD Pink gold 72-hour power reserve

Prices for the Lange 1

Since its introduction, A. Lange & Söhne has released numerous versions of the famous Lange 1 luxury watch. Many collectors find watches from the very first series with the reference numbers 101.001, 101.002, and 101.005 especially interesting. Each of these early Lange 1s had a solid metal case back that masked the wonderfully finished movement within. Both yellow gold models, the 101.001 and 101.002, cost 27,000 Deutsche Marks (about 15,500 USD today) at their introduction. Now, those same timepieces sell for around 19,000 USD. You can purchase the platinum 101.005 for about 25,500 USD. In 1994, it had an official list price of 39,000 DM or around 22,500 USD.

The current pink gold Lange 1 bears the reference number 191.032 and costs approximately 27,000 USD in mint condition and 23,500 USD pre-owned. You'll also find the white gold model with a silver dial in this price range. Released in 2018, a never-worn white gold timepiece with a blue dial demands over 28,000 USD. Since it's so new, pre-owned pieces are still very hard to come by.

In the late 1990s, A. Lange & Söhne produced a small number of stainless steel Lange 1 watches . At that time, they only cost 28,500 DM (approx. 16,500 USD). Today, these watches are so rare and desirable that they often sell for over 159,000 USD at auction.

The Lange 1 has been available with a moon phase display since 2002. It occupies the upper half of the small seconds dial and also serves as a day/night display. The moon sits on a light blue background during the day and a dark blue background at night. If you're interested in the pink gold Lange 1 Moon Phase , be sure to set aside around 33,000 USD for a mint-condition timepiece. White gold models cost a few hundred dollars more, and the platinum version changes hands for some 44,500 USD.

The Big Sister: The Grand Lange 1 with a 40.9 or 41.9-mm Case

At 38.5 mm, the classic Lange 1 is a bit small by modern men's watch standards. To meet demands for a larger watch, A. Lange & Söhne released the Grand Lange 1 in the early 2000s. The earliest models are 41.9 mm in diameter and powered by the Lange 1 caliber L901.0. The use of this movement means both the small seconds dial and outsize date overlap slightly with the main time display. You can get a pre-owned yellow gold model with the reference number 115.021 for around 22,500 USD.

In 2012, the Grand Lange 1 received its own caliber with adjusted dial proportions, the L095.1. The case also shrank to 40.9 mm in diameter. The current version in pink gold costs between 25,000 USD pre-owned and 30,500 USD new. Prices for the white gold edition with a black dial range from 26,000 to 31,500 USD. The platinum model is the most expensive and demands around 42,000 USD in mint condition. Pre-owned, this timepiece sells for about 34,000 USD.

The A. Lange & Söhne Grand Lange 1 is also available with a moon phase complication. This watch's moon phase indicator sits within the large time display. Plan to spend around 36,000 USD on a new pink gold model and 35,000 USD on a pre-owned one. In platinum, this timepiece costs anywhere from 40,500 to 45,000 USD.

As the first Lange watch to feature a luminous outsize date, the Grand Lange 1 "Lumen" stands out from the rest of A. Lange & Söhne's catalog. What's more, it comes with a semitransparent dial and glow-in-the-dark hands and indices. All of that combines to give the "Lumen" a much sportier feel than any of the manufacturer's other watches. This platinum timepiece had a limited run of 200 pieces and sells for around 77,500 USD pre-owned. Its successor is also limited to 200 pieces, though it comes with a moon phase display. You can purchase a mint-condition Lange 1 Moon Phase "Lumen" for about 87,500 USD. Pre-owned pieces change hands for around 85,500 USD.

Automatic Movement: The Lange 1 Daymatic

If you prefer automatic watches, the Lange 1 Daymatic is the right model for you. The in-house caliber L021.1 ticks away inside its 39.5-mm case and lends this timepiece a 50-hour power reserve. You can recognize the Daymatic by its dial: The displays mirror those of the standard Lange 1, and it features a retrograde day display instead of a power reserve display. New, this watch costs around 31,500 USD in pink gold, 34,000 USD in white gold, and 42,000 USD in platinum. You can save about 5,700 USD off the platinum model by getting a pre-owned timepiece.

Prices for the Lange 1 Time Zone

The Lange 1 Time Zone is one of this collection's most complicated models. This watch can simultaneously display two time zones from a set of 24. Changing the time zone simply requires the push of a button. You can tell which time zone is currently displayed by referring to the city ring around the edge of the dial. The Lange 1 Time Zone shows the current local time in a small dial where you'd usually find the small seconds. The larger dial displays the time back home. Both dials also feature a day/night indicator.

Set aside around 36,500 USD for a new pink gold model. The same timepiece sells for about 29,000 USD pre-owned. Expect prices between 35,000 and 40,000 USD for the white gold version. The platinum edition costs around 47,000 USD new and 36,500 USD pre-owned. This collection's highlight is the limited edition model in honey gold . This metal is stronger than most gold alloys and is exclusive to A. Lange & Söhne. Limited to a run of 100 pieces, this luxury watch has a list price of 64,300 USD.

How much does the Lange 1 Tourbillon Perpetual Calendar cost?

The collection's most complicated watch is the Lange 1 Tourbillon Perpetual Calendar. Unlike most watches with a calendar complication, this watch displays the month on a ring around the dial's edge rather than on a subdial. You can see the tourbillon at work through the sapphire glass case back.

Prices for the Lange 1 Tourbillon

If you can do without a perpetual calendar and prefer to view the tourbillon from the front, you may enjoy the Lange 1 Tourbillon. This timepiece's tourbillon is positioned where you'd usually find the small seconds display, which has been relocated to the large dial between 7 and 8 o'clock. The balance cock is also visible from the front. Newer Lange 1 Tourbillon models feature a hole in the dial that offers a view of their patented v-shaped stop-seconds mechanism.

A pink gold A. Lange & Söhne Lange 1 Tourbillon with the reference number 704.032 costs around 87,000 USD in very good condition. In mint condition, this timepiece demands a few thousand dollars more. Platinum models bear the reference number 704.025. Plan to spend about 124,000 USD on a new watch and 99,000 USD on a pre-owned one.

To celebrate the 20th anniversary of the Lange 1 in 2014, A. Lange & Söhne released the Lange 1 Tourbillon Handwerkskunst. This timepiece features a black enamel dial, is limited to a run of 20 pieces, and has a list price of 221,700 USD.

A Distinctive Design: The Lange 1 with an Off-Center Dial Layout

The Lange 1's design has remained largely unchanged for over 20 years. It still has its characteristic decentralized dial layout. The main dial is on the left side of most models, and Roman numerals and indices are used to mark the hours and minutes. A small seconds dial sits offset a little to the right. The outsize date display, another defining feature of this watch, is located on the upper right-hand side. Altogether, the watch has a harmonious, cohesive look. This may have something to do with the fact that the center points of the main dial, small seconds, and date display form an isosceles triangle. The power reserve display and its hand complete the dial's look.

A Detailed Look at the Lange 1 and Grand Lange 1

The Lange 1 has developed into an extensive collection in recent years. The Lange 1 and Grand Lange 1 are closest to the original model. As its name suggests, the Grand Lange 1 is larger than the Lange 1, by 2.4 mm to be exact. The case diameter of the standard model is just 38.5 mm. The Grand Lange has had a diameter of 40.9 mm since 2012. Older Grand Lange 1 models from 2003 to 2012 had a diameter of 41.9 mm. The watch is available with a gold or platinum case, and the hands are made of rhodium-plated gold.

The highlight of every Lange watch is its movement. The manual caliber L121.1 ticks away inside the standard version of the Lange 1. This movement boasts a 72-hour power reserve thanks to its twin mainspring barrels. The movement's freely oscillating balance spring is made in-house. The balance spring beats at a frequency of 21,600 alternations per hour (A/h). The hand-engraved balance cock is a sight to behold. The watch is regulated via six weights on the balance rim. The swan-neck fine adjustment helps ensure that the movement runs smoothly and precisely.

This particular movement consists of 368 individual pieces, including 43 rubies. Eight of those rubies are housed in gold chatons. Tempered blue screws keep them attached to the plate. The three-quarter plate, a common feature of watches made in Glashütte, supports the train. Ferdinand Adolph Lange introduced the three-quarter plate in 1864.

A. Lange & Söhne has used the caliber L095.1 in the Grand Lange 1 since 2012. Like the L121.1, it has a power reserve of three days. However, unlike the L121.1, it only has one barrel with a larger diameter, making the caliber 4.7 mm thick. This movement also features Lange's distinctive outsize date and power reserve displays. Thanks to the balance stop, you can set the time to the exact second. Tiny screws in the balance cock enable incredibly precise regulation.

This movement also has a very finely engraved balance cock and a balance spring produced in-house . Manufacturing a balance spring in-house is one of watchmaking's greatest challenges. A balance spring has a thickness of exactly 100 nm, equivalent to 1/100th the width of a human hair. The movement is comprised of 397 individual pieces, 42 of them jewel bearings. Seven of these jewels are set in gold chatons held in place by tempered blue screws.

Made for the Night: The Grand Lange 1 Moon Phase "Lumen"

The Grand Lange 1 Moon Phase "Lumen" is the first model from A. Lange & Söhne to feature a luminous date display and moon phase indicator, as well as luminous hands and applied indices. Limited to a run of 200 watches, one of this timepiece's highlights is its dial. It's partly made of semi-transparent sapphire glass, making some of the movement visible from the dial side. This design makes the platinum timepiece one of the manufacturer's most modern models.

The sapphire glass case back offers a full view of the in-house caliber L095.4. Of course, this movement has all the typical A. Lange & Söhne characteristics: rubies set in screwed-down gold chatons, a three-quarter plate made of German silver, a screw balance, a swan-neck fine adjustment, a hand-engraved balance cock, and tempered blue screws. A single barrel ensures a power reserve of 72 hours, and the balance spring is made in-house. In total, the movement consists of 463 pieces, 42 of them jewel bearings.

A Complicated Watch: The Lange 1 Tourbillon Perpetual Calendar

A. Lange & Söhne's Lange 1 Tourbillon Perpetual Calendar is considered one of the most complicated watches in the Lange 1 collection. It features a tourbillon, a mechanism meant to improve precision. Abraham-Louis Breguet invented the tourbillon in the 18th century. Translated into English, this French word means "whirlwind." The swing and escapement systems are located in a cage which rotates on its own axis, eliminating any gravity-related deviations. Tourbillon watches are masterpieces of watchmaking. The Lange 1 Tourbillon Perpetual Calendar is available in pink or white gold.

A. Lange & Söhne uses an innovative design for their perpetual calendar. Instead of displaying the months on a subdial, the Lange 1 Tourbillon Perpetual Calendar has an outer month ring which displays the names of all 12 months. Thus, none of the displays overlap, keeping the watch's design smooth and harmonious. The leap year display is located at 6 o'clock, right above a golden arrow that points to the current month. To the left is a small seconds subdial, which also contains a moon phase display. The main dial for hours and minutes is on the right side, while the day of the week and outsize date display are on the left.

The caliber L082.1 is clearly visible through the sapphire glass case back. This also gives you a good view of the tourbillon, which makes one full rotation every minute. Thanks to the stop-seconds mechanism, you can set the watch to the exact second. The central rotor is made of gold and platinum and automatically winds the mainspring when you wear the watch. The caliber has a power reserve of 50 hours and a balance frequency of 21,600 A/h, which is equivalent to 3 Hz.

A. Lange & Söhne and the Saxon Town of Glashütte

The German watch manufacturer A. Lange & Söhne introduced the Lange 1 in 1994. Together with the "Pour le Mérite," Arkade, and Saxonia, the Lange 1 was one of the first four watches created by the company. Walter Lange founded Lange Uhren GmbH in 1990 in the small German town of Glashütte, which is considered the heart of German watchmaking. Prominent manufacturers such as Glashütte Original and NOMOS are also headquartered there.

A. Lange & Söhne follows in the footsteps of Ferdinand Adolph Lange , the founder of Glashütte watchmaking. He settled in Glashütte in 1845 with hopes of establishing a watch industry in this poor region of Germany, using the Swiss watch industry as its role model. After a few years, Lange's apprentices founded supply firms and more watchmakers flocked to the area.