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Tudor North Flag

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Tudor North Flag Steel 40mm Black United States of America, Florida, Sarasota
TOP
Tudor 'North Flag' Automatic Black Leather Men's 40mm Watch...
$2,819
Free shipping
Verified Dealer
390
US
Tudor North Flag Steel 40mm Black Arabic numerals United States of America, Ohio, Mason
Tudor North Flag Steel 40mm Automatic Black 91210N Strap
$2,399
Verified Dealer
548
US
Tudor North Flag Steel 40mm Black Arabic numerals United States of America, New Jersey, Princeton
Tudor North Flag
$2,680
Free shipping
Verified Dealer
363
US
Tudor North Flag Black United States of America, California, San Mateo
Tudor North Flag Black Steel/Leather 40mm - 91210N
$2,799
Free shipping
Verified Dealer
1399
US
Tudor North Flag Steel 40mm Black United States of America, New York, Brooklyn
Tudor North Flag
$3,225
Verified Dealer
27
US
Tudor North Flag Steel 40mm Black Arabic numerals United States of America, California, CHULA VISTA - SAN DIEGO
Tudor North Flag
$3,053
Private Seller
 
US
Tudor North Flag Steel United States of America, Massachusetts, Andover
Tudor NORTH FLAG
$2,485
Verified Dealer
23
US
Tudor North Flag Steel 40mm Black United States of America, New York, Brooklyn
Tudor North Flag Men's Watch 91210N-91760 M91210N-0001
$3,190
Verified Dealer
417
US
Tudor North Flag Steel 40mm Black
Tudor North Flag 91210N
$3,054
Verified Dealer
829
UK
Tudor North Flag Steel 40mm Black No numerals
Tudor North Flag
$2,157
Verified Dealer
1086
IT
Tudor North Flag Steel 40mm Black
Tudor North flag steel 91210 100% NEW
$3,621
Verified Dealer
790
BE
Tudor North Flag Steel 40mm Black Arabic numerals
Tudor North Flag Stahl Keramik Automatik Armband Leder 40mm...
$3,155
Verified Dealer
1180
DE
Tudor North Flag Black United States of America, California, San Mateo
Tudor North Flag Steel Black Dial Men's - 91210N
$2,939
Free shipping
Verified Dealer
1399
US
Tudor North Flag Steel 40mm Black Arabic numerals
Tudor North Flag
$2,498
Private Seller
 
DE
Tudor North Flag Steel 40mm Black Arabic numerals
Tudor North Flag Full Set
$2,781
Verified Dealer
76
FR
Tudor North Flag Steel 40mm Black Arabic numerals
Tudor North Flag 100M 91210N
$2,781
Verified Dealer
61
ES
Tudor North Flag Steel 40mm
Tudor Northflag 91210N
$2,928
Free shipping
Verified Dealer
3831
IT
Tudor North Flag Steel 40mm Black Arabic numerals
Tudor North Flag
$3,917
Verified Dealer
 
SM
Tudor North Flag Steel 40mm Black Arabic numerals
Tudor North Flag
$2,669
Private Seller
 
CH
Tudor North Flag Steel 40mm Black
Tudor North flag leather 91210 100% NEW
$3,463
Verified Dealer
790
BE
Tudor North Flag Steel 40mm Black No numerals
Tudor NORTH FLAG Stainless Steel Black Yellow Automatic M91210N
$3,383
Free shipping
Verified Dealer
2183
IT
Tudor North Flag Steel 40mm Black
Tudor North Flag - FULL SET, stunning watch
$2,836
Private Seller
 
UK
Tudor North Flag Steel 40mm
Tudor North Flag M91210N-0002
$3,332
Verified Dealer
248
DE
Tudor North Flag Steel 40mm Black
Tudor North Flag
$3,122
Verified Dealer
581
DE
Tudor North Flag Steel 40mm Black
Tudor North Flag schwarz Lederband -NEU & SOFORT VERFÜGBAR-
$3,109
Verified Dealer
769
DE
Tudor North Flag Steel 40mm
Tudor Northflag 91210N
$3,461
Free shipping
Verified Dealer
3831
IT
Tudor North Flag Steel Black Arabic numerals
Tudor North Flag
$2,902
Private Seller
 
UK
Tudor North Flag Steel 40mm Black
Tudor North Flag 91210N
$2,838
Verified Dealer
1832
MC
Tudor North Flag Black
Tudor North Flag Black Steel/Leather 40mm - 91210N
$2,566
Verified Dealer
431
JP
Tudor North Flag Steel 40mm Black
Tudor North Flag Edelstahl Ref. 91210N
$2,929
Verified Dealer
281
DE
Tudor North Flag Steel 40mm Black Arabic numerals
Tudor M91210N-0002 NORTH FLAG
$2,536
Verified Dealer
12
HK
Tudor North Flag Steel 40mm Black No numerals
Tudor North Flag 91210N Stahlband
$3,292
Verified Dealer
457
DE
Tudor North Flag Black
Tudor North Flag Black Steel/Leather 40mm - 91210N
$2,666
Verified Dealer
144
HK
Tudor North Flag Steel 40mm Black
Tudor North Flag schwarz Stahlband -NEU-
$3,223
Verified Dealer
769
DE
Tudor North Flag Steel 40mm Black Arabic numerals
Tudor North Flag 91210n Steel Leather 40mm
$3,508
Verified Dealer
557
CH
Tudor North Flag Steel 40mm Black Arabic numerals
Tudor Northflag Lederband
$3,064
Verified Dealer
292
DE
Tudor North Flag Steel 40mm Black
Tudor North Flag
$3,071
Verified Dealer
5531
DE
Tudor North Flag Steel 40mm Black
Tudor North Flag 40 91210N-1
$2,864
Verified Dealer
1516
MC
Tudor North Flag Steel 40mm
Tudor North Flag 91210N, Strichindizes, 2018, Sehr Gut,...
$2,838
Verified Dealer
57
DE
Tudor North Flag Black
Tudor North Flag Steel Black Dial Men's - 91210N
$3,297
Verified Dealer
431
JP
Tudor North Flag Steel 40mm Black No numerals
Tudor North Flag Lederband Ref. 91210N
$3,201
Verified Dealer
457
DE
Tudor North Flag Steel 40mm Black
Tudor North Flag
$3,098
Verified Dealer
2428
DE
Tudor North Flag Steel 40mm Black
Tudor North Flag 40 91210N-1
$2,979
Verified Dealer
877
DE
Tudor North Flag Steel 40mm
Tudor Men's M91210N-0001 North Flag Watch
$3,802
Verified Dealer
2433
CH
Tudor North Flag Steel 40mm Black
Tudor Northflag Stahlband
$3,121
Verified Dealer
292
DE
Tudor North Flag Steel 40mm Black
Tudor North Flag
$3,394
Verified Dealer
5531
DE
Tudor North Flag Steel 40mm Black
Tudor North Flag 40 91210N
$2,948
Verified Dealer
1516
MC
Tudor North Flag Steel 40mm
Tudor North Flag 91210N
$2,631
Verified Dealer
44
CH
Tudor North Flag Steel 40mm
Tudor Men's M91210N-0001 North Flag Watch
$3,802
Verified Dealer
1271
DE
Tudor North Flag Steel 40mm Black
Tudor NORTH FLAG M91210N-0002
$3,849
Verified Dealer
 
ES
Tudor North Flag Steel 40mm
Tudor Men's M91210N-0002 North Flag Watch
$3,745
Verified Dealer
1271
DE
Tudor North Flag Steel 40mm Black
Tudor North Flag 40 91210N
$3,066
Verified Dealer
DE
Tudor North Flag Steel 40mm
Tudor Men's M91210N-0002 North Flag Watch
$3,745
Verified Dealer
2433
CH
Tudor North Flag Steel Black
Tudor NORTH FLAG M91210N-0001
$3,951
Verified Dealer
 
ES

Tudor North Flag – the First In-House Movement

Thanks to its movement, the Tudor North Flag offers a power reserve of 70 hours and the accuracy of a chronometer. Its technical and sporty design feels modern while still having a retro touch that suits a polo or button-up.

Highlights

  • First Tudor watch with an in-house caliber
  • 70-hour power reserve with a power reserve display
  • Certified as a chronometer
  • Technical and modern design with retro elements

Tudor North Flag – a Tool Watch with a 70-Hour Power Reserve

The North Flag was the first Tudor watch with an in-house caliber. The independently developed caliber MT5621 has a 70-hour power reserve when fully wound, which far exceeds the reserve of many watches. It's easy to recognize when your watch is about to run out of energy with the help of the power reserve display at 9 o'clock. Thanks to the silicon balance spring, this movement is anti-magnetic and especially accurate. This is further proven by its certificate from the Official Swiss Chronometer Testing Institute (COSC). Their test allows for a maximum deviation of -4 to +6 seconds per day. A date display at 3 o'clock rounds out the North Flag's range of functions.

The 40-mm watch with a stainless steel case was released in 2015 and belongs to the manufacturer's group of tool watches, which also includes the Pelagos diving watch. The Oyster Prince served as one of the inspirations for the Tudor North Flag. This historic watch accompanied the members of the Royal Navy on their expedition to Greenland in the 1950s. Even then, automatic watches were proven to have impressive accuracy and reliability. In the tradition of those expedition watches, the Tudor North Flag strives to meet the requirements of a scientific instrument. The design feels technical and modern with a retro flair.

How much does a Tudor North Flag cost?

Prices for a Tudor North Flag in mint-condition are around 2,500 euros. You can purchase a pre-owned version in very good condition for a few hundred euros less. The version with a stainless steel bracelet costs around 2,700 euros or 2,500 euros when pre-owned. This demonstrates what a sound investment this functional timepiece is. Being the first Tudor watch with an in-house movement also means that their demand and value could increase in the future.

Detailed Price Information

Reference number Price (approx.) Band
91210N-0001 2,700 euros Stainless steel
91210N-0002 2,500 euros Leather

Tudor North Flag: Functional Design with a Retro Flair

In addition to the Oyster Prince expedition watch from the 1950s, several other watches from Tudor and Rolex have impacted the design of the North Flag. For example, there are similarities with the rare Tudor Ranger II from the 1970s. Similar to the North flag, its band is integrated into the case and it has a rod-shaped minute hand and an arrow-shaped hour hand. The shape of the case is also very similar. The Rolex Ref. 1530 likewise comes from the 70s and features an integrated band. This rare watch is considered an insider tip among collectors and remains at a reasonable price point.

The main features of the Tudor North Flag are its entirely satin-brushed case and sapphire display back, through which you can see the movement at work. When looking at the caliber, you will notice that Tudor put minimal finishing on the MT5621. Instead, functionality is paramount. Nevertheless, the winding rotor is skeletonized and you can watch the balance wheel, which is straddled by a bridge, as it swings. Of course, Tudor also uses sapphire glass on the front to protect the display. To keep the glass in place, the Genevan manufacturer decided on a double bezel made of stainless steel and ceramic that enhances the timepiece's technical look.

The matte black dial is outfitted with luminous indices as well as Arabic numerals at both 6 and 12 o'clock. Tudor has followed a somewhat different path to other manufacturers when it comes to the North Flag's power reserve display: Instead of a hand, an arrow on a black disc, which is integrated into the case, points to a yellow scale on the dial to indicate how much power is left. The second hand is also yellow and has a rectangular box covered with a luminous material on its end. All three hands glow brightly so you can read the time even when it's dark. In terms of bands, you have the choice between stainless steel and leather. The latter has an inner yellow lining and yellow seams, highlighting the watch's sporty feel. Fold-over safety clasps make sure that both versions of this tool watch stay firmly in place on your wrist.

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