5328G-001

8-DAY POWER RESERVE. INSTANTANEOUS DAY AND DATE.

An eight-day power reserve

Featuring instantaneous day-date displays jumping at midnight, this Calatrava is also distinguished by its eight-day power reserve. Its manually wound movement is equipped with a Pulsomax® escapement in Silinvar®. The entire rim of the round white gold case-middle is adorned with Patek Philippe's emblematic guilloché hobnail pattern.

Complications

5328G-001

1855000

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Technical characteristics

dial

Textured blue with black-gradient rim, white gold applied numerals with white luminescent coating.
White gold syringe-shaped hands with white luminescent coating.

case

White gold
Diameter: 41 mm
Thickness: 10.52 mm
Water-resistant to 30m
Sapphire crystal case back

movement

31-505 8J PS IRM CI J
Manual winding
Instantaneous date by hand
Instantaneous day in aperture
8-day power reserve indication
Small seconds

Diameter: 32 mm
Thickness: 5.05 mm
Number of parts: 256
Number of jewels: 28
Power reserve: min. 192 hours (8 days)
Balance: Gyromax®
Frequency: 28,800 semi-oscillations/hour (4 Hz)
Balance spring: Spiromax®
Distinctive sign: Patek Philippe Seal