46.00 mm steel and red gold case, 14.51 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, steel Navitimer bracelet. Water resistant to 3 bars.
46.00 mm steel and red gold case, 14.51 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 croco strap, tang buckle. Water resistant to 3 bars.
46.00 mm steel and red gold case, 14.51 mm thick, transparent sapphire crystal back, non screw-locked crown with two gaskets, rotating bezel with circular slide rule, cambered sapphire crystal with glareproof treatment on both sides, black dial, Breitling 01 (Manufacture) self-winding movement, approximately 70 hrs of power reserve, black croco strap, folding buckle. Water resistant to 3 bars.