TUDOR BLACK BAY GMT S&G M79833MN-0004

41 mm steel case with polished and satin finish 

Manufacture Calibre MT5652 (COSC) 

Self-winding mechanical movement with bidirectional rotor system 

Power reserve of approximately 70 hours 

Yellow gold screw-down crown, with the TUDOR rose in relief, with circular satin-brushed steel winding crown tube 

Waterproof to 200 m (660 ft) 

48-notch bidirectional rotating bezel in yellow gold with 24-hours graduated matt brown and black anodised aluminium disc Black, Domed

Sapphire crystal 

Black fabric strap with beige band and buckle