Breitling Aviator 8 Chronograph 43 Watch - Steel Case - Blue Dial - Black Leather Strap - A13314101C1X143. 00 mm steel case, 14. 17 mm thick, screw locked crown with two gaskets, bidirectional bezel, cambered sapphire crystal with glareproof treatment on both sides, blue dial, Breitling 13 self winding movement with date in dial aperture and chronograph function, approximately 48 hours of power reserve, black leather strap, tang buckle. Water resistant to 100 m (330 ft).