This Breitling is 40.00 mm 18K red gold case, 11.40 mm thick, non screw-locked crown with two gaskets, cambered sapphire crystal with glareproof treatment on both sides, silver dial, Breitling 37 self-winding movement, approximately 38 hrs of power reserve, brown alligator strap, tang buckle. Water resistant to 100 m (330 ft).