42 mm steel case with polished and satin finish. Bidirectional rotatable 12-hour graduated steel bezel for second time-zone display, with disc in black anodised aluminium. Dial: Black/grey. Sapphire crystal. Screw-down winding crown in steel with TUDOR logo Screw-down pushers in steel at 2 o'clock and 4 o'clock. Fabric strap in black, grey and orange with buckle. large size. Self-winding mechanical movement, Calibre T401 with additional mechanism for chronograph function. Waterproof to 150 m (500 ft)