Tudor - Black Bay - 2025

The Black Bay launched 2012 reviving Tudor's dive watch heritage. The Fifty-Eight introduced 2018 references 1958—year Tudor launched their first water-resistant watch to 200 metres. Bronze variant introduced 2021 combining thirty-nine millimetre proportions with developing patina material.

Thirty-nine millimetres in bronze—aluminium-copper alloy developing unique patina over time through oxidation. Each watch ages differently based on wearer's chemistry and environment. Unidirectional rotating bezel in bronze with black anodised aluminium insert and sixty-minute graduations. Snowflake hands—Tudor's signature since 1969. Domed sapphire crystal. Screw-down crown. Two hundred metres water resistance.

Black dial with applied hour markers and luminous coating. Inside sits Calibre MT5400—Tudor manufacture movement introduced 2018 specifically for thirty-nine millimetre case. Twenty-seven jewels, 28,800 vph, seventy-hour power reserve—approximately three days. Silicon balance spring providing antimagnetic properties. COSC chronometer certified.

Brown leather strap with pin buckle complementing bronze case material. Excellent condition from 2025 means minimal wear—expect light surface marks on case, bronze developing early patina formation, leather strap maintained nearly new condition. Full set includes Tudor presentation box, warranty card dated 2025, booklets. Five-year manufacturer's warranty active.

The bronze construction delivers evolving patina character whilst thirty-nine millimetre proportions and MT5400 manufacture movement provide vintage sizing with modern seventy-hour power reserve and COSC certification maintaining dive watch functionality for daily wear.