Self-winding
31-260
This ultra-thin automatic movement with off-centered mini-rotor is featured in renowned Patek Philippe timepieces such as the in-line perpetual calendar or the patented Annual Calendar with "regulator" display.
31-260 PS FUS 24H
Features: Two time zones: local and home time indication. Small seconds. 24-hour display. Diameter: 31.74 mm. Thickness: 3.7 mm. Number of parts: 240. Number of jewels: 44. Power reserve: min. 48 hours. Winding rotor: Mini-rotor en platine. Balance: Gyromax®. Balance spring: Spiromax®. Distinctive sign: Patek Philippe Seal.
31-260 PS QL
Features: In-line perpetual calendar. Day, date, month, leap year and day/night indication in apertures. Moon phases. Small seconds. Diameter: 34 mm. Thickness: 5.8 mm. Number of parts: 503. Number of jewels: 55. Power reserve: min. 38 hours – max. 48 hours. Winding rotor: Mini-rotor en platine. Balance: Gyromax®. Balance spring: Spiromax®. Distinctive sign: Patek Philippe Seal.