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] 2020 Tudor Black Bay GMT "Pepsi" 79830RB - Full Set

2020 Tudor Black Bay GMT "Pepsi" 79830RB - Full Set

Tudor - 79830RB · $3,297
The Tudor Black Bay GMT 'Pepsi' is a blend of vintage charm and modern functionality, featuring the iconic red and blue bezel. This timepiece pays homage to classic GMT watches while delivering robust performance and timeless design.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Bezel material: steel with anodized aluminum disc
  • Movement type: Automatic (COSC)
Posted at
Dec 11, 2025, 5:46 PM
Active
[WTS] Tudor Black Bay Heritage 41 79230b

Tudor Black Bay Heritage 41 79230b

Tudor - 79230b · $2,499
Additional Details: Tudor Black Bay Heritage 41 79230b. In-house movement. 41mm.

  • Case Size: 41mm
  • Movement Type: in-house
Posted at
Dec 11, 2025, 3:04 PM
Active
[WTS] 2023 Tudor Black Bay GMT "Pepsi" 41mm 79830RB Stainless Steel Opaline White Dial - $3,800

2023 Tudor Black Bay GMT "Pepsi" 41mm 79830RB Stainless Steel Opaline White Dial - $3,800

Tudor - 79830RB · $3,800
2023 Tudor Black Bay GMT with a 41mm stainless steel case and opaline white dial. This watch features a 5-year manufacturer warranty, original double box, papers, and more.

  • Condition: Excellent overall condition
  • Material: Stainless Steel
  • Size: 7.75inch wrist (Full Links)
  • Box And Papers: Yes
Posted at
Dec 11, 2025, 1:28 PM
Active
[WTS] Tudor Black Bay One 36mm Sunburst Blue Full Set 2024

Tudor Black Bay One 36mm Sunburst Blue Full Set 2024

The Black Bay One is a 36mm Tudor watch with a Sunburst Blue dial, featuring the MT5400 calibre certified by COSC.

  • Condition: Excellent, worn but with only micro abrasions on the clasp
  • Calibre: MT5400
  • Power reserve: 70 hours
  • Warranty: 5 year Tudor warranty from date of purchase
Posted at
Dec 11, 2025, 12:47 PM
Active
[WTS] Tudor Black Bay 58 - 39mm 2019. Watch and card. Nice condition, 12 links. $2500 shipped - price includes shipping insurance and custom fees, shipping from El Salvador. $2600 no trades. Find me on IG as BolderVintage.

Tudor Black Bay 58 - 39mm 2019. Watch and card. Nice condition, 12 links. $2500 shipped - price includes shipping insurance and custom fees, shipping from El Salvador. $2600 no trades. Find me on IG as BolderVintage.

Tudor - Black Bay 58 · $2,500
This Tudor Black Bay 58 is a 39mm watch from the 2019 collection. It features 12 links and comes with its card.

  • Condition: Nice condition
  • Links: 12
Posted at
Dec 11, 2025, 12:40 PM
Active
[WTS] Tudor Black Bay 41 METAS – $2,600

Tudor Black Bay 41 METAS – $2,600

A 2023 Tudor Black Bay 41 METAS, one of the best daily-wear dive pieces Tudor makes, featuring amazing accuracy and modern build quality.

  • Year: 2023
  • Case material: METAS certified
  • Bezel color: burgundy
Posted at
Dec 11, 2025, 11:16 AM
Active
[WTS] Tudor Black Bay 36 Smiley Face $2,100

Tudor Black Bay 36 Smiley Face $2,100

Tudor - BB36 · $2,100
A Tudor Black Bay 36 with a black dial and original smiley face, purchased from another Reddit user a couple years ago. It keeps great time.

  • Condition: Used, excellent condition
  • Year Purchased: a couple years ago
Posted at
Dec 11, 2025, 9:50 AM
Active
[WTS] Tudor Black Bay 36mm S&G Champagne Diamond Dial  🔥Brand New 2025, $4000+Shipping🔥

Tudor Black Bay 36mm S&G Champagne Diamond Dial 🔥Brand New 2025, $4000+Shipping🔥

This is a brand new Tudor Black Bay 36mm S&G Champagne Diamond Dial. It comes complete with its box and warranty card dated 2025.

  • Condition: Brand New
  • Box: true
  • Warranty Card: true
  • Year Warranty Card Dated: 2025
Posted at
Dec 11, 2025, 9:17 AM
Active