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

Tudor Black Bay Ceramic Ref M79210CNU - Brand New - $2850 Shipped

Tudor - M79210CNU · $2,850

A Tudor Black Bay Ceramic, brand new.

Condition: Brand new
Material: ceramic

Posted at

Feb 8, 2026, 11:04 AM

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2024.10 Tudor 925 Silver Black Bay 58 79010SG Full Set - $3299

Tudor - 79010SG · $3,299

a fully functional Tudor Black Bay 58 with a warranty card and accessories, under warranty until 2029.

Condition: Fully functional, under warranty (10/2024-10/2029)
Year of manufacture: 2024
Case material: Tudor 925 silver
Movement accuracy: +3s/d

Posted at

Feb 7, 2026, 11:05 PM

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2023 TUDOR BLACK BAY PRO - $3,200 + LABEL

Tudor - 79470 · $3,200

The Tudor Black Bay Pro is a modern tool watch that channels the vintage 'Freccione' spirit with modern reliability, featuring a Manufacture Calibre MT5652 (COSC) and 200m water resistance.

Condition: USED/EXCELLENT
Case Diameter: 39mm
Water Resistance: 200m
Movement Type: True GMT (MT5652)

Posted at

Feb 7, 2026, 10:40 PM

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2021.05 Tudor Black Bay M79830RB-0001 "Pepsi" 41mm Full Set - $2799

Tudor - M79830RB-0001 · $2,799

The 2021.05 Tudor Black Bay M79830RB-0001 'Pepsi' is a 41mm watch with a warranty card, inner and outer boxes, and three booklets.

Condition: Pre-owned, fully functional with minor daily deviation (+2 seconds per day)
Size: 41mm diameter
Depth rating: 150m
Warranty card date: 2021.05

Posted at

Feb 7, 2026, 9:32 PM

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Tudor Black Bay One 36mm Blue Dial “Smiley”

Tudor - Black Bay One 36mm · $1,800

This watch is the older model with the ETA based movement, it comes with full links and box.

Condition: well worn
Movement: ETA based
Size: 36mm diameter

Posted at

Feb 7, 2026, 7:46 PM

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2021 Tudor Black Bay Chrono Panda 🐼 (Ref. M79360N-0002) – Full Set – Clean- $3900

Tudor - M79360N-0002 · $3,900

The Tudor Black Bay Chrono is an excellent piece that blends sporty design with classic chronograph style, presented beautifully and running accurately.

Condition: Excellent overall condition, light wear typical of minimal use
Retail price: $6,650
Size: Bracelet sized for a 7-inch wrist

Posted at

Feb 7, 2026, 5:14 PM

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