Breitling AB0121211B1X1 Navitimer 1 B01 Chronograph Watch

43.00 mm steel case, 14.22 mm thick, sapphire crystal back, non screw-locked crown with two gaskets, bidirectional bezel with slide rule, cambered sapphire crystal with glareproof treatment on both sides, black dial, Breitling 01 self-winding movement with date in dial aperture and chronograph function, approximately 70 hours of power reserve, black leather strap, tang buckle. Water resistant to 3 bars.