5261R – AQUANAUT SELF-WINDING

Blue-gray, embossed with Aquanaut pattern, gold applied numerals with white luminescent coating. Rose gold. Diameter (10–4 o’clock): 39.9 mm. Height: 10.9 mm. Water-resistant to 30 m. Sapphire crystal case back. Composite material, blue-gray. Patented fold-over clasp. Annual Calendar. Day and month by hands. Date in an aperture. Moon phases. Sweep seconds.
Annual Calendar. Day and month by hands. Date in an aperture. Moon phases. Sweep seconds. Diameter: 30 mm. Thickness: 5.32 mm. Number of parts: 319. 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®. Hallmark: Patek Philippe Seal. Jewels: 34.