Tudor Black Bay Heritage Black Bay Ceramic One for Only Watch

Reference 7921/001CN

Tudor Heritage Black Bay Ceramic One for Only Watch

About this watch

The Tudor Heritage Black Bay Ceramic One for Only Watch is a masterpiece that combines style, functionality, and heritage in one stunning package. With its sleek black ceramic case and 41mm diameter, this watch exudes modern sophistication while being durable and lightweight due to its titanium, ceramic, and stainless steel construction. The PVD coating adds an extra layer of protection without compromising the sleek finish. At the heart of this timepiece is the Tudor caliber MT5602, a certified COSC automatic movement that beats at 4Hz, ensuring precision and reliability. With a power reserve of 70 hours, you can forget to wind it over the weekend and still expect it to tick away come Monday morning. This watch boasts an impressive water resistance of 200 meters, making it suitable for diving as well as everyday wear. The rotating bezel is functional and designed for divers, while the black dial with stick and dot indexes is easy to read in challenging lighting conditions. When you strap on this watch, you'll be pleasantly surprised by its comfort and weight. As a one-of-a-kind piece, it's not just a timepiece but also a piece of history, telling a story and having intrinsic value. This limited edition watch reflects Tudor's commitment to quality and innovation, making it a worthy investment for watch enthusiasts and collectors.
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Key Features

  • Tudor caliber MT5602 automatic movement
  • Ceramic case with PVD coating
  • 200m water resistance
  • 41mm diameter
  • Rotating dive bezel
  • Black dial with stick and dot indexes
  • Proprietary hands

Specifications

Brand
Tudor
Family
Black Bay
Model
Heritage Black Bay Ceramic One for Only Watch
Reference
7921/001CN
Movement Features
  • Hours, Minutes, Seconds
  • Chronometer
Case
41mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
200

Current Listings

[WTS] 2025 Tudor Black Bay 68 43mm Blue Dial – Ref. M7943A1A0NU-0001

2025 Tudor Black Bay 68 43mm Blue Dial – Ref. M7943A1A0NU-0001

Tudor - M7943A1A0NU-0001 · $3,849
The Tudor Black Bay 68 is a larger, more commanding take on the Black Bay lineup, featuring a vintage-inspired design with modern proportions and performance. The watch has a 43mm stainless steel case paired with a rich Tudor blue dial and 'Snowflake' hands for excellent legibility.

  • Condition: Very good pre-owned condition
  • Case size: 43mm
  • Case material: Stainless Steel
  • Bezel type: Unidirectional Rotating
Posted at
May 18, 2026, 4:38 PM
Active
View listing on r/WatchExchange

2025 Tudor Black Bay 68 Blue Dial – Ref. M7943A1A0NU-0001 Complete Set

Tudor - M7943A1A0NU-0001 · $3,798
The Tudor Black Bay 68 introduces a larger take on the Black Bay lineup, combining vintage-inspired design with modern proportions and performance. It features a 43mm stainless steel case paired with a rich Tudor blue dial, offering depth and character that shifts beautifully under changing light.

  • Condition: very good preowned condition
  • Case size: 43mm
  • Water resistance: 200m depth rating
  • Movement type: in-house automatic movement
Posted at
May 18, 2026, 1:59 PM
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[WTS] New 2026 Tudor Black Bay 58 GMT 5/26 7939G1A0NRU “Coke” $4,299.00

New 2026 Tudor Black Bay 58 GMT 5/26 7939G1A0NRU “Coke” $4,299.00

Tudor - 7939G1A0NRU · $4,299
The Tudor Black Bay 58 GMT features a black domed gilt dial and a 39mm stainless steel case with a three-link bracelet. It's powered by the MT5450-U movement, which has a 65-hour power reserve.

  • Condition: 10/10 Unworn
  • Movement: MT5450-U (COSC-METAS)
  • Power reserve: 65-hour
  • Water resistance: 200M
Posted at
May 18, 2026, 1:13 PM
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[WTS] 2021 Tudor Black Bay '58 Bronze Boutique Edition 39MM Brown Dial 79012M Full Set 2700$

2021 Tudor Black Bay '58 Bronze Boutique Edition 39MM Brown Dial 79012M Full Set 2700$

Tudor - 79012M · $2,700
A 2021 Tudor Black Bay '58 Bronze Boutique Edition with a 39MM brown dial, sold with box, papers, and alternate band.

  • Condition: Excellent
  • Case size: 39mm
  • Dial color: Brown
Posted at
May 18, 2026, 12:47 PM
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[WTS] 2021 Tudor Black Bay 36 ‘Smiley’ BLUE dial 79500 with box, card and tags!! Full kit with warranty until Sept 2026 - $2450 shipped!

2021 Tudor Black Bay 36 ‘Smiley’ BLUE dial 79500 with box, card and tags!! Full kit with warranty until Sept 2026 - $2450 shipped!

Tudor - 79500 · $2,450
A Tudor Black Bay 36 'Smiley' model from 2021 featuring a blue dial and automatic winding movement. It comes with its original box, card, and tags.

  • Condition: 8/10 - Overall well loved condition with some scratches
  • Case size: 36mm
  • Movement power reserve: 38 hours
  • Warranty expiration: September 2026
Posted at
May 18, 2026, 11:05 AM
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[WTS] Tudor Black Bay Chrono

Tudor Black Bay Chrono

Tudor - BB Chrono Panda · $4,100
Up for sale is a Tudor BB Chrono Panda purchased about a year ago, featuring the T-fit clasp for micro-adjustments and includes all original accessories.

  • Condition: Excellent
  • Bracelet material: Steel
  • Included accessories: Original inner box, outer box, manuals, warranty card
Posted at
May 18, 2026, 9:02 AM
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[WTS] 2026 BRAND NEW Tudor Black Bay 58 GMT 'Coke' 7939G1A0NRU $4,999

2026 BRAND NEW Tudor Black Bay 58 GMT 'Coke' 7939G1A0NRU $4,999

Tudor - M7939G1A0NRU-0003 · $4,999
The Tudor Black Bay 58 GMT 'Coke' is a daily-wear watch featuring a jubilee 5-link bracelet and T-Fit Clasp, part of the iconic Coke GMT range. It was released in 2026 at W&W.

  • Condition: Brand New, Unworn, Unsized - Full Factory Stickers
  • Box and papers included: Yes
  • Warranty expiration date: April 2031
  • Bracelet type: T-Fit Clasp
Posted at
May 18, 2026, 8:52 AM
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[WTS] 2026 BRAND NEW Tudor Black Bay 41 Monochrome METAS 7941A1A0NU $3,999

2026 BRAND NEW Tudor Black Bay 41 Monochrome METAS 7941A1A0NU $3,999

Tudor - M7941A1A0NU-0003 · $3,999
The listing features a brand new Tudor Black Bay 41 Monochrome with METAS Master Chronometer certification and a convenient T-Fit clasp for daily wear.

  • Condition: Brand New
  • Movement: Calibre MT5602-U
  • Power Reserve: 70 hours
  • Case Adjustment: up to 8mm
Posted at
May 18, 2026, 8:51 AM
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[WTS] TUDOR 41mm HERITAGE BLACK BAY 79230R aka BB41 Red

TUDOR 41mm HERITAGE BLACK BAY 79230R aka BB41 Red

TUDOR - 41mm HERITAGE BLACK BAY 79230R · $2,850
The Black Bay line was introduced by Tudor in 2013, paying tribute to the original shield and crown Submariners. The Heritage variant has a black dial with gilt accents and snowflake hands for peak legibility.

  • Condition: Overall very good condition but rash on caseback
  • Case Size: 42mm
  • Lug Width: 22
  • Lug To Lug: 50h
Posted at
May 17, 2026, 11:47 PM
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