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Tudor Black Bay GMT
Pepsi NEW 2023 79830RB
$4,150
+ $39 for shipping
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Tudor Black Bay GMT
NEW 2023/79830RB
$3,950
+ $39 for shipping
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Tudor Black Bay GMT
79830RB Black Bay GMT Pepsi Bracelet Opaline Dial Unworn 2023
$5,175
+ $100 for shipping
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Tudor Black Bay GMT
M79830RB-0010
$4,300
+ $150 for shipping
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Tudor Black Bay GMT
Pepsi 41mm Opaline Dial Steel Bracelet 79830RB Box & Papers 2023
$3,845
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Tudor Black Bay GMT
M79833MN-0001
$3,650
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Tudor Black Bay GMT
79830RB Black Bay GMT with Red/Blue Bezel on NATO
$3,575
+ $50 for shipping
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Tudor Black Bay GMT
: Black Bay Pro GMT : M79470-0001 : Steel
$3,175
+ $50 for shipping
Tudor Black Bay GMT
M79830RB-0010
$3,995
+ $29 for shipping
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Tudor Black Bay GMT
79830RB
$3,500
Excl. shipping
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Tudor Black Bay GMT
79833MN Steel & Gold
$4,349
+ $100 for shipping
Tudor Black Bay GMT
M79830RB-0010
$3,979
+ $49 for shipping
Tudor Black Bay GMT
79830RB
$4,497
Free shipping
Tudor Black Bay GMT
Unworn Black Bay GMT Pepsi 41mm Opaline Dial NATO Strap 79830RB Box & Papers 2023
$3,800
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Tudor Black Bay GMT
M79830RB-0003
$2,595
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Tudor Black Bay GMT
Pepsi NEW 2023 79830RB
$4,250
+ $39 for shipping
Tudor Black Bay GMT
Pepsi Bracelet 79830RB Box & Papers 2023
$3,495
+ $50 for shipping
Tudor Black Bay GMT
M79830RB-0003
$3,575
+ $29 for shipping
Tudor Black Bay GMT
M79833MN-0001
$4,717
+ $29 for shipping
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Tudor Black Bay GMT
M79830RB
$2,795
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Tudor Black Bay GMT
New
$3,749
+ $49 for shipping
Tudor Black Bay GMT
79830RB
$2,999
Excl. shipping
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Tudor Black Bay GMT
Unworn Black Bay GMT Pepsi 41mm Opaline Dial Steel Bracelet 79830RB Box & Papers 2023
$3,975
Free shipping
Tudor Black Bay GMT
79830RB
$3,000
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Tudor Black Bay GMT
M79830RB
$2,800
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Tudor Black Bay GMT
M79830RB-0001
$3,230
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Tudor Black Bay GMT
79830RB
$3,002
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Tudor Black Bay GMT
79833MN
$4,200
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Tudor Black Bay GMT
"Pepsi" Ref. 79830RB 2022 Full Set
$3,500
+ $80 for shipping
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Tudor Black Bay GMT
GMT-PEPSI
$3,395
Excl. shipping
Private Seller

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Tudor Black Bay GMT
79830RB
$2,971
Excl. shipping
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Tudor Black Bay GMT
79830RB
$2,975
Excl. shipping
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Promoted
Tudor Black Bay GMT
M79830RB-0001
$3,223
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Tudor Black Bay GMT
79830RB
$3,000
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Tudor Black Bay GMT
79830RB
$3,200
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Tudor Black Bay GMT
M79830RB-0002
$2,650
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Tudor Black Bay GMT
79833MN
$4,200
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Tudor Black Bay GMT
Pepsi 41mm Black Dial Steel Bracelet 79830RB Box & Papers 2023
$3,445
Free shipping
Tudor Black Bay GMT
79830RB - Inventory 5141
$2,899
+ $99 for shipping
Tudor Black Bay GMT
M79833MN-0001
$4,717
+ $29 for shipping
Tudor Black Bay GMT
79830RB
$2,900
Excl. shipping
Private Seller
Tudor Black Bay GMT
M79830RB-0001
$3,200
Excl. shipping
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Tudor Black Bay GMT
79830RB Heritage Black Bay GMT with Red/Blue Bezel
$3,975
+ $50 for shipping
Tudor Black Bay GMT
79830RB
$3,000
Excl. shipping
Private Seller
Tudor Black Bay GMT
"Pepsi" Ref. 79830RB 2023 Full Set
$4,000
+ $80 for shipping
Tudor Black Bay GMT
Pro GMT 39mm 2022 Box & Card
$3,799
+ $49 for shipping
Tudor Black Bay GMT
79830RB
$3,700
Excl. shipping
Private Seller
Tudor Black Bay GMT
Root Beer Stainless Steel & Gold 41MM Black Dial 79833MN
$4,695
+ $49 for shipping
Tudor Black Bay GMT
Opaline. - NEW 2023
$4,200
+ $59 for shipping
Tudor Black Bay GMT
Heritage Black Bay GMT in Stainless Steel on Black Fabric Strap with Black Dial - No Outer Box
$3,250
+ $50 for shipping
Tudor Black Bay GMT
79830RB
$3,450
Excl. shipping
Private Seller
Tudor Black Bay GMT
M79830RB-0003
$2,913
Excl. shipping
Private Seller
Tudor Black Bay GMT
79470 Black Bay Pro GMT on Bracelet
$3,975
+ $50 for shipping
Tudor Black Bay GMT
79830RB
$3,250
Excl. shipping
Private Seller
Tudor Black Bay GMT
Pepsi 41mm 2021 MINT Box & Card
$4,099
+ $49 for shipping
Tudor Black Bay GMT
Pepsi Nato Strap 79830RB Unworn 2023
$3,625
+ $50 for shipping
Tudor Black Bay GMT
S&G GMT
$4,313
Excl. shipping
Private Seller
Tudor Black Bay GMT
79830
$3,350
+ $59 for shipping
Tudor Black Bay GMT
S&g
$4,990
+ $29 for shipping
Tudor Black Bay GMT
41mm White Dial M79830RB-0010
$4,245
+ $95 for shipping
Tudor Black Bay GMT
Pro Gmt
$3,150
+ $49 for shipping
Tudor Black Bay GMT
79830RB
$3,300
Free shipping

Tudor Black Bay GMT: A Watch for Life on the Go

The Black Bay GMT blends the advantages of the Black Bay diving watch with the practicality of displaying three time zones at once. Its blue and red 24-hour bezel and in-house caliber make it an attractive alternative to the Rolex GMT-Master II.

By Chrono24

A Diving Watch With a GMT Function and Pepsi Design

Tudor added the Black Bay GMT to its beloved diving watch collection in 2018. This model is capable of displaying up to three times zones at once. The Swiss manufacturer clearly took inspiration from one of its sister company's most iconic watches, the Rolex GMT-Master, when designing this timepiece.

The Black Bay GMT even shares a color scheme with its famous Rolex cousin. Both feature a bidirectional 24-hour bezel in the beloved blue and red "Pepsi" design. The dial is either matte black or opaline with a date display at 3 o'clock. While most of the hour markers are luminous dot indices, there are rectangular bar indices at 6 and 9 o'clock, as well as an inverted triangle at the top of the hour.

That being said, the Black Bay GMT is anything but a copy of the GMT-Master. It boasts everything that makes the Black Bay collection so popular, including a 41-mm stainless steel case, large crown without a crown guard, and domed sapphire crystal without a magnifying lens. Perhaps the most notable feature that sets this model apart is its square-tipped "snowflake" hands. What's more, the Black Bay GMT is water-resistant to 200 m (20 bar, 656 ft), while the GMT-Master II is only rated to 100 m (10 bar, 328 ft).

The Tudor in-house caliber MT5652 powers the Black Bay GMT. Paired with the bezel, it can display up to three time zones simultaneously. It also has a 70-hour power reserve and comes with chronometer certification from the Official Swiss Chronometer Testing Institute (COSC).

Reasons to Buy a Black Bay GMT

  • Highly popular "Pepsi" design
  • Displays up to three time zones simultaneously
  • COSC-certified in-house caliber MT5652
  • Water-resistant to 200 m (20 bar, 656 ft)
  • Black or opaline dial

Price Overview: Tudor Black Bay GMT

Reference number Price (approx.) Dial color, band
M79830RB-0010 4,500 USD Opaline, three-piece riveted stainless steel bracelet
M79830RB-0012 4,000 USD Opaline, black fabric strap with pin buckle
M79830RB-0001 4,200 USD Black, three-piece riveted stainless steel bracelet
M79830RB-0003 3,600 USD Black, black fabric strap with pin buckle

How much does a Tudor Black Bay GMT cost?

As of August 2023, the most affordable Tudor Black Bay GMT is the reference with a black dial and fabric strap. Prices come in around 3,600 USD for mint-condition copies. Pairing the model with a stainless steel bracelet will raise the required investment to 4,300 USD. The Black Bay GMT with an opaline dial from 2023 is a bit more expensive: This Tudor watch costs 4,500 USD on a stainless steel bracelet and 4,000 USD on a fabric strap.


Design Details

The Black Bay GMT measures 41 mm in diameter. Its stainless steel case is satin-brushed on both the top and bottom, while the polished sides add a touch of elegance. The bezel is also made of stainless steel. It features a 24-hour track with a red and blue anodized aluminum inlay.

The reference number M79830RB-0001 has a black dial and comes on a stainless steel link bracelet. Like the case, the bracelet links have brushed tops and bottoms and polished sides. The designers decided to mimic the look of the riveted bracelets popular in the 1950s and 60s. However, the Black Bay's links actually screw together, so the rivets are purely decorative. Plan to spend about 4,200 USD on a new timepiece. If you'd like the version with an opaline dial (ref. M79830RB-0010), you'll need to invest around 4,600 USD.

Tudor pairs the Black Bay GMT ref. M79830RB-0003 with a black fabric strap. A red line runs down the strap's center for an extra sporty touch. Unlike the steel and leather editions, which both use a folding safety clasp, the textile strap comes with a stainless steel pin buckle. Prices for this model sit around 3,600 USD. Once again, the opaline dial version is more pricey. You will find this model under the reference number M79830RB-0012 on a fabric strap for around 4,000 USD (as of August 2023).


About the In-House Caliber MT5652

Tudor developed the caliber MT5652 specifically for the Black Bay GMT. This movement is based on the in-house caliber MT5602, which first appeared in 2015. It ticks at a frequency of 28,800 vibrations per hour (vph) and has a 70-hour power reserve. It's also resistant to strong magnetic fields thanks to its silicon balance spring. Not even strong jolts can knock this movement out of sync, since its balance is held in place by bridges instead of conventional balance cocks. The MT5652 is also a COSC-certified chronometer, meaning it is extremely accurate.

Tudor has put just as much care into the caliber's GMT function. Like its Rolex counterpart, the MT5652 enables the wearer to set local and home time zones separately. For example, to adjust the local time, you simply pull the crown out to its first position to move the hour hand forward or backward in one-hour increments without having to stop the watch completely. The movement is even able to account for date changes.