44.00 mm steel case. 15.50 mm thick. transparent sapphire crystal back. screw-locked crown with two gaskets. unidirectional ratcheted bezel. cambered sapphire crystal with glareproof treatment on both sides. blackeye blue dial. Breitling 01 (Manufacture) self-winding movement. approximately 70 hrs of power reserve. black rubber aero classic strap. pushbutton folding buckle. Water resistant to 200 m (660 ft).