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.
Buy Now on Jomashop
This is an affiliate link

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] Tudor Black Bay 58 Burgundy on Oyster Bracelet M7939A1A0RU - $3780

Tudor Black Bay 58 Burgundy on Oyster Bracelet M7939A1A0RU - $3780

Tudor - M7939A1A0RU · $3,780
Tudor Black Bay 58 in Burgundy, on an Oyster Bracelet, with full set including boxes and warranty.

  • Condition: like new
  • Bracelet Type: Oyster
Posted at
Apr 2, 2026, 5:54 PM
Active
[WTS] 2025 Tudor Black Bay 68 Silver Dial Stainless Steel 43mm Full set Box & Papersp

2025 Tudor Black Bay 68 Silver Dial Stainless Steel 43mm Full set Box & Papersp

The watch is a 2025 Tudor Black Bay 68 with a silver dial, housed in a stainless steel case, and attached to a stainless steel bracelet. It features a 43mm diameter and comes with all original links.

  • Condition: Excellent
  • Case size: 43mm diameter
  • Bracelet material: stainless steel
Posted at
Apr 2, 2026, 4:56 PM
Active
[WTS] TUDOR Black Bay Ceramic-M79210CNU-0001

TUDOR Black Bay Ceramic-M79210CNU-0001

TUDOR - M79210CNU-0001 · $3,499
This Tudor Black Bay Ceramic features an all-black ceramic case with a matching ceramic bezel and METAS-certified movement.

  • Condition: mint pre-owned
  • Case material: all-black ceramic
  • Bezel material: ceramic
  • Movement certification: METAS
Posted at
Apr 2, 2026, 3:52 PM
Active
[WTS] Tudor Black Bay Heritage 41 79230r Red Bezel

Tudor Black Bay Heritage 41 79230r Red Bezel

Tudor - 79230R · $2,850
This Tudor Black Bay Heritage 41 is a watch that offers a unique blend of style and functionality. It features a 41mm case size and a red bezel. The watch comes with a 7.5" bracelet.

  • Condition: Runs great, no issues!
  • Bracelet Length: 7.5 inches
Posted at
Apr 2, 2026, 2:44 PM
Active
[WTS] Tudor Black Bay Chrono “Tiffany / Flamingo Blue” 79360N – Full Set (2025) – $9,950

Tudor Black Bay Chrono “Tiffany / Flamingo Blue” 79360N – Full Set (2025) – $9,950

Tudor - 79360N · $9,950
The highly sought-after Tudor Black Bay Chrono with the stunning turquoise "Flamingo Blue" dial, this release is extremely hard to source.

  • Condition: Excellent overall, very light wear
  • Movement: Tudor MT5813 (chronometer-certified)
  • Bracelet Links: Full links included
  • Case Size: 41mm diameter
Posted at
Apr 2, 2026, 2:19 PM
Active
[WTS] 2025 Tudor Black Bay 58 39mm Steel 5 Link Burgundy Dial 7939A1A0RU Full Set

2025 Tudor Black Bay 58 39mm Steel 5 Link Burgundy Dial 7939A1A0RU Full Set

Tudor - 7939A10RU · $3,950
This Tudor Black Bay 58 is a 39mm stainless steel watch with a rotating dive bezel and burgundy dial, featuring an automatic mechanical movement. The watch comes in full set condition with original accessories.

  • Condition: Very nice preowned condition with some light scratches
  • Case material: Stainless Steel
  • Bezel material: Stainless Steel
  • Dial color: Burgundy
Posted at
Apr 2, 2026, 1:56 PM
Active
[WTS] 2022 Tudor Black Bay GMT S&G 79833 Full Set $4,000

2022 Tudor Black Bay GMT S&G 79833 Full Set $4,000

Tudor - 79833 · $4,000
A versatile dual-time sports watch with a classic design and two-tone steel and yellow gold construction. The Tudor Black Bay GMT S&G features a black dial, black and red bezel, and COSC-certified accuracy.

  • Condition: Great (pre-owned, signs of wear)
  • Movement: Tudor Manufacture Calibre MT5652
  • Case size: 41mm diameter
  • Water resistance: 200m depth rating
Posted at
Apr 2, 2026, 1:06 PM
Active
[WTS] New Tudor Black Bay 41 Monochrome Jubilee 3/26 Ref# M7941A1A0NU $4,399.00

New Tudor Black Bay 41 Monochrome Jubilee 3/26 Ref# M7941A1A0NU $4,399.00

Tudor - M7941A1A0NU · $4,399
This is a new Tudor Black Bay 41 Monochrome Jubilee, featuring a black domed dial with silver hour markers and an automatic self-winding movement. It has a water resistance of 200M and a 70-hour power reserve.

  • Condition: Unworn with small handling mark on polished center clasp
  • Case Size: 41mm
  • Bracelet Type: Five-link Jubilee style with T-Fit clasp
  • Water Resistance: 200M
Posted at
Apr 2, 2026, 11:25 AM
Active
[WTS] 2026 New Tudor Black Bay 58 Burgundy Jubilee 1/26 Stickers Ref# M7939A1A0RU $4,299.00

2026 New Tudor Black Bay 58 Burgundy Jubilee 1/26 Stickers Ref# M7939A1A0RU $4,299.00

Tudor - M7939A1A0RU · $4,299
This listing is for a new Tudor Black Bay 58 Burgundy Jubilee, featuring a burgundy domed dial with applied hour markers and a 39mm case. The watch includes a jubilee style bracelet with T-Fit clasp and has a water resistance of 200M.

  • Condition: 10/10, unworn with some stickers and a faint hairline on the clasp
  • Case size: 39mm
  • Bracelet type: Jubilee style
  • Clasp type: T-Fit
Posted at
Apr 2, 2026, 11:19 AM
Active