This Patek Philippe Nautilus 5711/1A-010 watch is equipped with a self-winding mechanical movement, caliber 324 SC, date display in window, central second hand, screw-down crown, black and blue dial, applied gold hour markers with luminescent coating, sapphire crystal. – crystal caseback, water resistant up to 120 m, stainless steel, case diameter (10-4 o’clock): 40 mm.