Patek Philippe Grand Complications Annual Calendar 5320G

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.

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. Étanche à 30m. Sapphire crystal case back.

Strap: Alligator leather with square scales, hand-stitched, shiny chocolate brown. White gold fold-over clasp.

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: Rotor central en or 21 ct.. Balance: Gyromax®. Frequency: 28,800 semi-oscillations/hour (4 Hz). Balance spring: Spiromax®. Distinctive sign: Patek Philippe Seal.