Breitling Chronomat B01 42 Watch - 18K Red Gold - Anthracite Dial - Black Rubber Strap - Folding Buckle - RB0134101B1S142. 00 mm 18K red gold case, 15. 10 mm thick, screw locked crown with two gaskets, unidirectional ratcheted bezel, cambered sapphire crystal with glareproof treatment on both sides, anthracite dial, Breitling 01 (Manufacture) self winding movement, approximately approx. 70 hrs of power reserve, black rubber strap, folding buckle. Water resistant to 200 m (660 ft).