|Manufacturer's Reference #||M79643-0005|
|Strap Material||Steel and Yellow Gold|
|Self-winding mechanical movement with bidirectional rotor system, Manufacture Calibre MT5400 (COSC)|
|Case Size||36 mm diameter|
36 mm Steel case with polished and satin finish. The movement is manufacture calibre MT5400 (COSC) and self-winding mechanical movement with bidirectional rotor system. Power reserve of approximately 70 hours and this watch is 100 m (330 ft) waterproof. This watch has a Yellow Gold screw-down winding crown with the TUDOR rose in relief and Steel covered by a 0.1mm 18 ct Yellow Gold cap. Includes a fixed bezel in Steel covered by a 0.3mm 18 ct Yellow Gold cap, a Champagne-colour dial and flat sapphire crystal. The bracelet includes Yellow Gold center links at 6 and 12 o'clock. Remaining center links in steel covered by a 0.2mm 18 ct Yellow Gold cap. "T-fit" folding clasp with safety catch. The logo on the catch is made of Yellow Gold.
In 2017, TUDOR introduced a new steel and gold version to the famous Black Bay family, featuring for the first time a new date function.