5320G-011

PERPETUAL CALENDAR

A vintage-style classic

The epitome of balance and legibility, this perpetual calendar pairs a white gold case with three-tier lugs and a rose-gilt opaline dial. The displays feature one of Patek Philippe's signature perpetual calendar layouts, with an in-line double day/month aperture at 12 o'clock and a date displayed by hand surrounding the moon-phase aperture at 6 o'clock.

Grand Complications

5320G-011

2717000

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Technical characteristics

dial

Rose-gilt opaline, anthracite white gold applied numerals with white luminescent coating.
Anthracite white gold syringe-shaped hands with white luminescent coating.

case

White gold
Diameter: 40 mm
Thickness: 11.13 mm
Water-resistant to 30m
Sapphire crystal case back

movement

26-330 S Q
Self-winding
Perpetual calendar
Day, month, leap year and day/night indication in apertures
Date by hand
Moon phases
Sweep seconds

Diameter: 32 mm
Thickness: 4.97 mm
Number of parts: 368
Number of jewels: 29
Power reserve: min. 35 hours – max. 45 hours
Winding rotor: 21K gold central rotor
Balance: Gyromax®
Frequency: 28,800 semi-oscillations/hour (4 Hz)
Balance spring: Spiromax®
Distinctive sign: Patek Philippe Seal