A relaunch of the Black Bay One S&G models in 2022 sees the introduction of this new 39mm case with Manufacture Calibre MT5602 self-winding mechanical movement. This movement benefits from COSC certification of chronometer accuracy and a 70 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.