Tudor Black Bay Chrono Carbon 25 Ref. 79377KN — 2025 — Limited 2,025 Pieces — Full Set
Tudor Black Bay Chronograph "Carbon 25"
Reference: 79377KN | Year: 2025 | Limited Edition: 2,025 numbered pieces
Released in 2025 to mark Tudor's 25-year Formula 1 partnership, the Black Bay Chrono Carbon 25 is one of the most technically distinguished pieces in Tudor's modern lineup. The 42mm case, bezel, and chronograph sub-counter rings are all fabricated in carbon fiber — including the end-links. The dial carries a "racing white" treatment with carbon fiber texture visible through the sub-counters.
MOVEMENT
Tudor Calibre MT5813 — an in-house co-developed movement sharing its architecture with the Breitling B01. COSC-certified (−2/+4 sec/day), column wheel, vertical clutch, approximately 70-hour power reserve. Silicon balance spring, non-magnetic.
CASE & DIAL
Case diameter: 42mm | Thickness: 14.3mm
Full carbon fiber case construction including end-links
Fixed carbon fiber tachymeter bezel
Domed sapphire crystal
200m water resistance
Screw-down titanium PVD crown and pushers
CONDITION
Very good. No meaningful wear. Carbon fiber shows no chips or cracks. Crystal clean.
FULL SET INCLUDES
Original Tudor box, papers, warranty card, and hybrid leather-rubber strap with blue stitching.
Individual serial number engraved on the caseback confirms limited edition status.