2025 Patek Philippe Perpetual Calendar Chronograph Movement. Patek philippe rejuvenates its classic 5270p perpetual calendar chronograph with a green lacquered dial, which changes everything! The watch measures 41 mm in diameter and 12.4 mm in thickness and is patek philippe’s largest perpetual calendar.

Chronograph, date, month, moon phase, perpetual calendar. We’re taking you all the way back to the beginning.