Patek Philippe sports series 5726 The original Nautilus men's watch has undergone 2 years of research and development and production.

Patek Philippe Sports Series 5726 Nautilus Men's Watch, the original mold has been developed and produced for 2 years. The date display, week display, month display, and moon phase are all the same real functions as the original. 316L stainless steel, Cal.324 S QA LU twenty four H automatic machinery. 40.5mm diameter. Vibration frequency: 28800 oscillations per hour. Waterproof depth: 100 meters.