44.00 mm steel case. 15.65 mm thick. screw-locked crown with two gaskets. unidirectional ratcheted bezel. cambered sapphire crystal with glareproof treatment on both sides. blue dial. Breitling 13 self-winding movement with calendar via dial aperture and chronograph function. approximately 48 hours of power reserve. steel Aero Classic bracelet. Water resistant to 200 m (660 ft).