Black Bay Chrono 79377KN

Condition	Year	Box	Papers
Brand New (10/10)	2025	Yes	Yes

 

Opening Context
The Black Bay Chrono represents Tudor’s effort to unite two important strands of the brand’s history: the diving watches that established the Black Bay collection and the chronographs that have been part of Tudor’s catalogue since the 1970s. The carbon edition builds on that foundation with a lightweight carbon composite case and a more overtly motorsport-inspired character, while retaining the familiar proportions and design language that define the modern Black Bay family.

Why This Reference Matters
Reference M79377KN-0001 stands apart through its use of carbon composite construction, a material chosen to reduce weight while giving the watch a distinctly technical appearance. The white dial with contrasting black sub-registers and blue accents evokes classic racing chronographs, while the COSC-certified MT5813 movement provides a substantial 70-hour power reserve and column-wheel chronograph architecture. The engraved case back marking the “Carbon 25” edition further differentiates it from the standard Black Bay Chrono references.

On the Wrist
At 42 mm, the Carbon 25 has the presence expected of a modern sports chronograph, yet the carbon composite case makes it noticeably lighter than its steel counterparts. The reduced weight changes the wearing experience considerably, allowing the watch to sit securely without feeling overly substantial. The white dial remains highly legible, while the blue accents add energy without overwhelming the overall design.

Condition & Transparency
Thiss example features a 42 mm carbon composite case with a fixed tachymeter bezel, a white racing-style dial with black chronograph registers, blue minute track, date display at 6 o’clock. This watch was launched as an official numbered edition limited to 2,025 pieces to celebrate Tudor’s partnership with the Visa Cash App Racing Bulls Formula One team, which explains the specific choice of the racing white, black, and blue colour scheme. It is fitted to a black hybrid leather-rubber strap with blue stitching and a carbon composite Tudor pin buckle. As always, particular attention should be given to case condition, dial preservation, movement performance, strap/bracelet condition, and overall set completeness—communicated strictly on verified information.

Why It Belongs in a Collection
The Black Bay Chrono Carbon 25 will appeal to collectors who enjoy modern sports chronographs with a clear connection to Tudor’s historical design language. It offers a different experience from the traditional steel Black Bay models, combining contemporary materials, strong legibility and a capable in-house chronograph movement in a package that remains practical for regular wear.

Closing
The carbon edition demonstrates how Tudor can introduce modern materials and a more technical aesthetic without losing the character that has made the Black Bay collection so recognisable. Lightweight, purposeful and mechanically robust, it presents a distinctive interpretation of the contemporary Tudor chronograph.

Specifications

• Case Size: 42 mm
  
• Case Material: Carbon Composite
  
• Dial: White Dial with Black Chronograph Registers, Blue Minute Track, Date at 6 O'Clock
  
• Strap: Black Hybrid Leather-Rubber Strap with Blue Stitching
  
• Power Reserve: 70 Hours
  
• Movement: Automatic, Manufacture Calibre MT5813

 

Shipments are delivered under Delivered Duty Unpaid (DDU) terms, with duties and taxes payable by the recipient.