41.0 mm 18K red gold case, 13.6 mm thick, transparent sapphire crystal back, non screw-locked crown with two gaskets, bidirectional slide rule bezel, cambered sapphire crystal with glareproof treatment on both sides, silver dial, Breitling 01 (Manufacture) self-winding movement, approximately 70 hrs of power reserve, black alligator leather strap, folding buckle. Water resistant to 3 bars.
41.0 mm 18K red gold (gem-set) case, 13.6 mm thick, transparent sapphire crystal back, non screw-locked crown with two gaskets, cambered sapphire crystal with glareproof treatment on both sides, cream dial, Breitling 01 (Manufacture) self-winding movement, approximately 70 hrs of power reserve, brown alligator leather strap, folding buckle. Water resistant to 3 bars.