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][US] Tudor Black Bay Chrono - Pink Dial - 41mm - M79360N-0019 - Full Set

[US] Tudor Black Bay Chrono - Pink Dial - 41mm - M79360N-0019 - Full Set

Tudor - M79360N-0019 · $9,225
A Tudor Black Bay Chrono in pink dial, measuring 41mm, with a mechanical movement.

  • Condition: Fantastic with minor hairlines
  • Case condition: minor hairlines on case, clasp, and bracelet
  • Included accessories: full set with box (inner & outer), user manual, microfiber cloth, operating manual, and warranty card
Posted at
May 16, 2026, 7:45 AM
Active
[WTS] 2025 Tudor Black Bay Fifty-Eight Blue + Rubber B + Uncle Seiko Jubilee - $2999 Shipped CONUS (Timestamp last pic)

2025 Tudor Black Bay Fifty-Eight Blue + Rubber B + Uncle Seiko Jubilee - $2999 Shipped CONUS (Timestamp last pic)

The Tudor Black Bay Fifty-Eight Blue is a beautifully versatile and now discontinued dive watch that strikes an incredible balance between vintage proportions and modern everyday wearability.

  • Condition: Like new condition
  • Purchase Year: 2025
  • Warranty Remaining: factory warranty remaining
  • Included Accessories: full set,boxes,original Tudor blue leather strap,Rubber B strap,Uncle Seiko Jubilee bracelet
Posted at
May 15, 2026, 9:23 PM
Active
[WTS] Tudor Black Bay Blue 79220B, The Purest Expression of the Line

Tudor Black Bay Blue 79220B, The Purest Expression of the Line

Tudor - 79220B · $2,675
The Tudor Black Bay Blue 79220B is a bold yet classic watch with a matte black dial and bezel, paired with vintage-inspired snowflake hands. It's the perfect mix of vintage design and modern reliability, making it easy to wear daily or appreciate in a collection.

  • Condition: Great condition, showing only light signs of normal wear
  • Case size: 41 mm diameter
  • Water resistance: 200m depth rating
  • Movement type: ETA automatic
Posted at
May 15, 2026, 9:09 PM
Active
[WTS] Tudor Black Bay Pro Opaline GMT (2025) MINT — Minimal Look, Maximum Capability

Tudor Black Bay Pro Opaline GMT (2025) MINT — Minimal Look, Maximum Capability

The Tudor Black Bay Pro Opaline GMT features a 39mm case, opaline dial, and steel bezel, with a 70-hour power reserve and 200m water resistance. It has a classic tool-watch feel but also looks sharp enough to wear anywhere.

  • Condition: MINT
  • Case size: 39mm
  • Bezel type: Fixed 24-hour
  • Movement: MT5652 GMT (COSC)
Posted at
May 15, 2026, 9:01 PM
Active
[WTS] Tudor Black Bay 68 43mm Ref M7943A1A0NU METAS Full Kit 2025 MINT -$3,800

Tudor Black Bay 68 43mm Ref M7943A1A0NU METAS Full Kit 2025 MINT -$3,800

Tudor - M7943A1A0NU · $3,800
The Tudor Black Bay 68 is a heritage-inspired diver that references Tudor’s late-1960s design language, when the Snowflake hand first appeared. It’s a no-nonsense take on the Black Bay formula with a more substantial feel on the wrist.

  • Condition: MINT
  • Case Size: 43mm
  • Water Resistance: 200m depth rating
  • Movement: Calibre MT5601-U (COSC and METAS certified)
Posted at
May 15, 2026, 2:33 PM
Active
[WTS] Catch & Release! Tudor Black Bay 58 GMT with lots of extras, Seiko SPB 505 "Black Alpinist" and a Grand Seiko VIP boutique only pen (CONUS)

Catch & Release! Tudor Black Bay 58 GMT with lots of extras, Seiko SPB 505 "Black Alpinist" and a Grand Seiko VIP boutique only pen (CONUS)

Tudor - Black Bay 58 GMT · $4,350
A Tudor Black Bay 58 GMT in excellent condition with its full kit and several extras is up for sale. This watch features a grey hat, clima bottle, and steel reef bezel insert.

  • Condition: like new, minimal signs of use
  • Bracelet: Uncle Jubilee, excellent condition
  • Extras: Tudor embroidered grey hat,Brand new Tudor branded clima bottle,Steel reef Deep Forest green & black bezel insert,Tudor travel pouch
  • Warranty: [object Object]
Posted at
May 15, 2026, 2:21 PM
Active
[WTS] Tudor BB58 Black Bay 58 Burgundy - FULL KIT 02/2026 - $ 3990 delivered tariffs covered.

Tudor BB58 Black Bay 58 Burgundy - FULL KIT 02/2026 - $ 3990 delivered tariffs covered.

Up for sale is a stunning Tudor BB58 Black Bay 58 Burgundy on jubilee bracelet, complete with warranty and express shipping.

  • Size: 39mm
  • Material: jubilee bracelet
  • Movement: automatic
Posted at
May 15, 2026, 12:30 PM
Active
[WTS] Tudor Black Bay ETA Rose Logo 79220R Full Set $2,675

Tudor Black Bay ETA Rose Logo 79220R Full Set $2,675

Tudor - 79220N · $2,675
The Tudor Black Bay ETA in excellent condition features a vintage charm, slimmer profile (12.7mm thick), and classic rose dial with ETA movement.

  • Condition: Excellent
  • Case size: 41mm
  • Thickness: 12.7mm
  • Lug width: 22mm
Posted at
May 15, 2026, 12:25 PM
Active
[WTS] Tudor Black Bay 58 Blue BB58 M79030B-0001 — Box & Card (2021) — $2,799 Shipped

Tudor Black Bay 58 Blue BB58 M79030B-0001 — Box & Card (2021) — $2,799 Shipped

The Tudor Black Bay 58 Blue is a highly wearable and best-proportioned modern dive watch featuring a matte blue dial, bezel configuration in the classic 39mm BB58 case. The vintage-inspired proportions, domed sapphire crystal, and slim case profile make this one wear exceptionally well on wrist.

Posted at
May 15, 2026, 11:57 AM
Active