TUDOR Black Bay 58 18K

39mm yellow gold case, Brown alligator bracelet
CASE: 39mm case, satin finished, in 18 kt yellow gold Open case back with sapphire crystal
BEZEL: Unidirectional rotatable bezel in 18 kt yellow gold with 60-minute graduated disc in matte green anodized aluminum and gold gilded markings and numerals
MOVEMENT: Manufacture Caliber MT5400 (COSC) Self-winding mechanical movement with bidirectional rotor system
DIAL: Green, domed
WINDING CROWN: 18 kt yellow gold screw-down winding crown, with the TUDOR rose in relief with circular satin-brushed 18 kt yellow gold winding crown tube
CRYSTAL: Domed sapphire crystal
WATERPROOFNESS: Waterproof to 200m (660 ft)
BRACELET: Domed dark brown alligator strap with 18 kt yellow gold buckle