44.00 mm steel case. 15.50 mm thick. sapphire crystal back. screw-locked crown with two gaskets. unidirectional ratcheted bezel. cambered sapphire crystal with glareproof treatment on both sides. blue dial. Breitling 01 self-winding movement with calendar via dial aperture and chronograph function. approximately 70 hours of power reserve. steel Aero Classic bracelet. Water resistant to 200 m (660 ft).