Tudor Black Bay Heritage Black Bay Ceramic One for Only Watch

Reference 7921/001CN

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] 2022 Tudor BLACK Bay 58 - 925 silver automatic asking 3000$

2022 Tudor BLACK Bay 58 - 925 silver automatic asking 3000$

Tudor - Black Bay 58 925 · $3,000
This is a unique piece with a silver case that develops a nice patina over time, featuring an in-house automatic movement and 200m water resistance.

  • Condition: Excellent
  • Case size: 39mm
  • Material: 925 silver
  • Movement: in-house automatic
Posted at
May 20, 2026, 3:34 PM
Active
[WTS] Tudor Black Bay Harrod’s, full kit, box & papers 2024

Tudor Black Bay Harrod’s, full kit, box & papers 2024

Tudor - 79230G · $3,800
This 2024 Tudor Black Bay Harrod's Edition watch features a 41mm matte black dial with a green diver bezel and is a numbered special edition. It comes in excellent condition, including its inner and outer boxes, papers, warranty card, and original shipping box.

  • Condition: Great condition with some minor wear to the case side, bracelet, clasp
  • Case Size: 41mm diameter
  • Bezel Condition: Clean
Posted at
May 20, 2026, 1:45 PM
Active
[WTS] Tudor Black Bay (Monochrome)

Tudor Black Bay (Monochrome)

Tudor - M7941A1A0NU-0003 · $4,100
This iteration of the iconic diver brings an ultra-refined, monochromatic aesthetic to a classic heritage silhouette. Beating inside is the Manufacture Calibre MT5602-U movement.

  • Condition: Brand New / Unworn / Full Set
  • Movement: Manufacture Calibre MT5602-U
  • Case size: 41mm diameter
Posted at
May 20, 2026, 10:59 AM
Active
[WTS] Tudor Black Bay Fifty-Eight BB58 79030N

Tudor Black Bay Fifty-Eight BB58 79030N

Tudor - 79030N · $2,680
The Tudor Black Bay Fifty-Eight stands out with classic aesthetics and modern engineering, offering a robust 200m water resistance and an impressive 70-hour power reserve.

  • Condition: Excellent 9.5/10
  • Water resistance: 200m/660ft
  • Case material: 316L Stainless steel
  • Power reserve: 70 hours
Posted at
May 20, 2026, 10:09 AM
Active
[WTS] Tudor Black Bay 58 Red Jubilee New 2026, $4500

Tudor Black Bay 58 Red Jubilee New 2026, $4500

This Tudor Black Bay 58 Red Jubilee is a new 2026 model. The listing includes pictures that accurately showcase the watch's condition, and it comes with its original box, warranty, and manuals.

  • Condition: New
  • Warranty Date: 2026
  • Shipping Location: Singapore
Posted at
May 20, 2026, 9:22 AM
Active
[WTS] 2026 Tudor Black Bay Chronograph “Carbon 26” 79377KN — Brand New Condition, Box & Papers

2026 Tudor Black Bay Chronograph “Carbon 26” 79377KN — Brand New Condition, Box & Papers

The Tudor Black Bay Chronograph 'Carbon 26' is a lightweight and modern take on Tudor's motorsport-inspired chronograph, featuring a striking white dial contrasted by black subdials for a bold 'Panda' aesthetic. Its carbon composite case gives the watch an aggressive sporty feel while reducing overall weight, complemented by the tachymeter bezel and Tudor's signature chronograph design language.

  • Condition: Brand new condition
  • Case material: carbon composite
  • Case dimensions: 42mm diameter, 49mm lug to lug, and 14.3mm thick
  • Movement: COSC-certified automatic chronograph movement
Posted at
May 20, 2026, 9:19 AM
Active
[WTS] 🔥2025 Tudor Black Bay Monochrome Ref. M7941A1A0NU | Complete Set | Excellent Condition🔥

🔥2025 Tudor Black Bay Monochrome Ref. M7941A1A0NU | Complete Set | Excellent Condition🔥

Tudor - M7941A1A0NU · $4,125
This Tudor Black Bay Monochrome is a standout piece with a sleek, modern aesthetic and full Tudor build quality.

  • Condition: Excellent
  • Year Of Manufacture: 2025
  • Case Size: 41mm
  • Dial Design: Monochrome grayscale
Posted at
May 19, 2026, 8:48 PM
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[WTS] TUDOR Black Bay 36 S&G 79503 | $2468

TUDOR Black Bay 36 S&G 79503 | $2468

Tudor - 79503 · $2,468
The Tudor Black Bay 36 is a balance between a tool watch and a demi gold dress watch, featuring a combination of 18k yellow gold and stainless steel.

  • Condition: Excellent
  • Case Size: 36mm
  • Bracelet Length: up to 18cm (7.1")
  • Movement Condition: running strong
Posted at
May 19, 2026, 6:52 PM
Active
[WTS] Tudor Black Bay Pro 2023

Tudor Black Bay Pro 2023

Tudor - Black Bay Pro · $3,100
The Tudor Black Bay Pro is a 39mm stainless steel watch featuring a fixed 24-hour steel bezel for GMT function, powered by the Tudor MT5652 in-house movement.

  • Condition: Excellent condition
  • Case size: 39mm
  • Bezel type: Fixed 24-hour steel bezel
  • Movement: Tudor MT5652 in-house movement
Posted at
May 19, 2026, 6:42 PM
Active