42mm 316L steel case with satin finish. 60-notch, 12-hour graduated steel bidirectional rotating bezel with stop system for the bidirectional rotating bezel via a mobile end-link at 12 o'clock. Manufacture Calibre MT5612 (COSC) Self-winding mechanical movement with bidirectional rotor system. Dial color: Black, domed. Screw-down steel winding crown at 4 o'clock, with the TUDOR logo in relief. Domed sapphire crystal. Waterproof to 200m (660 ft). Riveted steel and yellow gold bracelet, polished and satin finish, with folding clasp and safety catch

Titanium case, 42mm in diameter, 12.75mm thick, 52mm from lug to lug, satin-brushed finish Fixed bracelet bars Steel case back. Bidirectional rotating bezel in titanium with ceramic disc, 60-minute retrograde graduation for navigation by successive stages. Manufacture Calibre MT5602 (COSC) Self-winding mechanical movement with bidirectional rotor system. Dial color: Navy blue. Titanium crown, adorned with the TUDOR shield in relief. Sapphire crystal. Waterproof to 200m (660 ft). Steel bracelet with folding clasp and safety catch Steel attachments