Complications
5905/1A-001
$68,109
FLYBACK CHRONOGRAPH. ANNUAL CALENDAR.
$68,109
Steel. Diameter: 42 mm. Thickness: 14.13 mm. Water-resistant to 30m. Sapphire crystal case back.
Steel. Steel fold-over clasp.
CH 28-520 QA 24H
Self-winding
Flyback chronograph
Central chronograph hand
60-minute counter
Annual Calendar
Day, date, month and day/night indication in aperture
Diameter: 33 mm. Thickness: 7.68 mm. Number of parts: 402. Number of jewels: 37. Power reserve: min. 45 hours – max. 55 hours. Winding rotor: 21K gold central rotor. Gyromax®. Frequency: 28,800 semi-oscillations/hour (4 Hz). Balance spring: Spiromax®. Distinctive sign: Patek Philippe Seal.
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