Breitling Premier Chronograph Watch - 42mm Steel Case - Black Dial - Black Croco Strap - A13315351B1P1 Emerald caliber 8500 self-winding master co-axial

caliber 8500 self-winding master co-axial chronometer movement with date window at 6 o'clock

59 Model Number 26397BC

Unworn Vacheron Constantin Patrimony Perpetual Calendar Ultra-Thin - Collection Excellence Platine 43175/000P-B190

Its 70-hour power reserve speaks volumes about its endurance and reliability

Breitling Premier Chronograph Watch - 42mm Steel Case - Black Dial - Black Croco Strap - A13315351B1P1 Emerald caliber 8500 self-winding master co-axial42. 00 mm stainless steel case, 13. 80 mm thick, non screw locked crown with two gaskets, cambered sapphire crystal with glareproof treatment on both sides, black dial, Breitling 13 self winding movement, approximately 48 hours of power reserve, black croco strap, folding buckle. Water resistant to 100 m (330 ft).