Tudor Black Bay GMT Black Bay GMT One / Only Watch 2021

Reference 7983/001U

About this watch

The Tudor Black Bay GMT One / Only Watch 2021 is a limited edition masterpiece that embodies the perfect blend of style, functionality, and innovative design. This stunning timepiece boasts a robust construction, exquisite movement, and exceptional attention to detail. The Black Bay GMT One features a distinctive design, high-quality materials, and a unique 24-hour rotating bezel, making it an attractive choice for anyone with a passion for horology. Its limited nature adds an element of exclusivity, while the robust features make it suitable for everyday wear. With its chronometer-certified movement and scratch-resistant sapphire glass, this watch is built to last. Whether you're heading to a business meeting or embarking on an adventure around the world, the Black Bay GMT One fits the bill. It seamlessly transitions from day to night, making it a valuable addition to any watch collection.

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Key Features

Tudor Caliber MT5652 Chronometer Movement
41mm Round Case with Matte Finish
24-hour Rotating Bezel with 24 Hour Scale

Specifications

Brand

Tudor

Family

Black Bay GMT

Model

Black Bay GMT One / Only Watch 2021

Reference

7983/001U

Movement Features

Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable)
Date
Chronometer

Case

41mm

Dial Color

Black

Crystal

Sapphire

Current Listings

Tudor Black Bay GMT - Full Kit + Forstner Model-J Jubilee Bracelet

The Tudor Black Bay GMT combines heritage-inspired design with practical functionality for global travelers, featuring a true GMT complication and 200m water resistance.

Posted at

Feb 15, 2026, 6:26 PM

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Tudor Black Bay GMT Opaline -$3800 shipped CONUS. B&P

Tudor - Black Bay GMT Opaline · $3,800

Price shipped conus: $3800 shipped CONUS

Posted at

Feb 15, 2026, 9:50 AM

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2024 Tudor Black Bay GMT S&G 79833 – Great Condition – $4,000 Shipped

Tudor - 79833 · $4,000

Offered for sale is a 2024 Tudor Black Bay GMT S&G, the steel and yellow gold version of Tudor’s popular GMT model. This reference features the black dial, bi-color bezel, and in-house GMT movement, combining travel functionality with a refined two-tone aesthetic.

Condition: Great (a few signs of wear)
Case size: 41mm
Movement: Automatic GMT (Tudor MT5652)
Crystal: Sapphire

Posted at

Feb 14, 2026, 3:10 PM

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Tudor Black Bay GMT M79830RB Pepsi Red and Blue

Tudor - M79830RB · $3,500

The Tudor Pepsi is a conversation starter and a beautiful timepiece. It has a leather band, which is harder to find and stands out. The watch slams with a blue suit.

Condition: Immaculate, small mark on the clasp
Band Type: OEM leather
Band Price On Bay: 699

Posted at

Feb 14, 2026, 2:33 PM

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Curved End Rubber Strap For Tudor Black Bay GMT or Chronograph

· $165

A curved-end rubber strap made by Everest Bands for the Tudor Black Bay GMT or Chronograph. The strap has little to no signs of wear on the rubber and minimal if any signs of wear on the buckle.

Condition: like new
Made by: Everest Bands
Compatible models: Tudor Black Bay GMT (M79830RB) and Tudor Black Bay Chronograph
Worn with: both watches

Posted at

Feb 9, 2026, 9:45 AM

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Tudor Black Bay GMT 41MM Pepsi

Tudor - 79830RB · $3,600

Tudor Black Bay GMT in excellent condition with original box and tag, worn only 4 times.

Condition: Like new with only 4 times worn
Warranty: still under warranty
Bracelet condition: excellent

Posted at

Feb 8, 2026, 5:37 PM

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Tudor Black Bay GMT Coke Full Set

Tudor - 7939G1A0NRU · $3,900

The Tudor Black Bay GMT Coke is a 39mm 7939G1A0NRU watch featuring a GMT function. It comes with a factory warranty, original packaging, and additional accessories.

Condition: Very good condition
Case Size: 39mm
Bracelet Type: Jubilee bracelet ($150)
Included Bracelet: Uncut OEM bracelet

Posted at

Feb 6, 2026, 9:28 AM

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Tudor Black Bay GMT | Blue and Red Bezel | Reference 79830RB

Tudor - 79830RB

Posted at

Feb 3, 2026, 5:05 PM

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Tudor Black Bay GMT (Root Beer) M79833MN full kit 10/25 model $4350

Tudor - M79833MN · $4,350

This Tudor Black Bay GMT features a 41mm case, COSC certification, and a 70 hour power reserve. It also includes a two-tone bracelet and an iconic red and black bezel combination.

Condition: Excellent
Bracelet condition: two-tone, with small scratches
Bezel notches: 48 notch
Diameter: 41mm

Posted at

Feb 3, 2026, 12:19 AM

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