screw-down crown with twinlock double waterproofness system
blue blue alligator leather strap
At its heart beats the 4131 manufacture Rolex perpetual movement—a mechanical chronograph driven by self-winding technology
a testament to its exceptional craftsmanship and quality
Crown Screw Down Bezel White Gold Hands Silver-tone Dial Color Blue Dial Type Analog Water Resistance 20 Meters (60 Feet) Gender Men's
Breitling Navitimer B01 Chronograph 43 Watch - Steel & Red Gold - Stratos Gray Dial - Black Croco Strap - Folding Buckle - UB0121211F1P2 Demoiselle screw-down crown with twinlock double43. 00 mm steel and red gold case, 14. 22 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, stratos gray dial, Breitling 01 (Manufacture) self winding movement, approximately 70 hrs of power reserve, black croco strap, folding buckle. Water resistant to 3 bars.