42 mm 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. Hybrid leather and rubber strap with folding clasp and safety catch, entirely satin-finished. Manufacture Caliber MT5612 (COSC), self-winding mechanical movement with bidirectional rotor system. Black domed dial, date at 3 o'clock. Screw-down steel winding crown at 4 o'clock, with the TUDOR logo in relief. Domed sapphire crystal. Waterproof to 200 m (660 ft).

TUDOR introduces the Black Bay P01, a watch based on a legendary prototype developed in the late 1960s and proposed to the US Navy, and in doing so lifts the veil on a little-known aspect of its history.