Nautilus 40.5 18K Rose Gold

40.5mm 18K Rose Gold case, sapphire crystal back, black gradient dial with gold applied hour markers with luminescent coating, self-winding caliber CH 28-520 C movement with date, chronograph, 60-minute and 12-hour mono-counter at 6 o'clock, sweep seconds hand (chronograph hand), approximately 45-55 hours of power reserve, 18K rose gold bracelet Nautilus fold-over clasp. Water-resistant up to 120 meters.