Perpetual Calendar 3D Demo by Patek Philippe Watchmaker

A Patek Philippe master watchmaker explains how a perpetual calendar works using a 3D model. The footage was produced by PROWATCHES at Patek Philippe HQ in New York City.

• #science_technology
• #patek
• #patek_philippe
• #watchmaker
• #perpetual_calendar
• #3d_demo
• #watchmaking
• #patek_philippe_watch_demo