A relaunch of the Black Bay S&G models in 2022 sees the introduction of this new 31mm case size as well as the Manufacture Calibre MT5201 self-winding mechanical movement with COSC certification of chronometer accuracy and 50 hours power reserve. The collection is available in a range of dial combinations as well as with and without a diamond bezel. This reference features a black dial with luminescent hour markers and a fixed bezel in yellow gold. The steel and gold bracelet makes use of Tudor's 'T-Fit' system allowing the bracelet with be adjusted quickly and without alteration. The timepiece is waterproof to 100 metres (33ft) and benefits from the five-year Tudor International Guarantee.