42.00 mm steel and red gold case. 14.35 mm thick. screw-locked crown with two gaskets. unidirectional ratcheted bezel. cambered sapphire crystal with glareproof treatment on both sides. black dial. Breitling 20 self-winding movement with calendar via dial aperture and chronograph function. approximately 70 hours of power reserve. black rubber aero classic strap. pushbutton folding buckle. Water resistant to 200 m (660 ft).