This Breitling is 43.0 mm stainless steel case, 13.6 mm thick, sapphire crystal back, non screw-locked crown with two gaskets, bidirectional slide rule bezel, black dial, Breitling 01 (Manufacture) self-winding movement, approximately 70 hrs of power reserve, black alligator leather strap, folding buckle. Water resistant to 100 m (330 ft).