This elegant Nautilus self-winding flyback chronograph combines a white gold case with a blue-gray opaline dial. This refined shade is repeated on the two straps supplied with the watch. The chronograph indications are grouped together in an original and legible way on a large 60-minute and 12-hour monocounter with three concentric scales.
Dial: Opaline blue-gray, horizontally embossed, white gold applied baton-style hour markers with white luminescent coating. White gold rounded baton-style hands with white luminescent coating.
Case: White gold. Diameter (10-4 o’clock): 40.5 mm. Thickness: 12.2 mm. Water-resistant to 30m. Screw-down crown. Sapphire crystal case back.
Strap: Calfskin, denim pattern, hand-stitched, blue (originally fitted). Composite material, fabric pattern, blue-gray (additional strap). White gold fold-over clasp.
Movement:
CH 28-520 C
Self-winding
Flyback chronograph
Central chronograph hand
60-minute and 12-hour monocounter
Date in an aperture
Diameter: 30 mm. Thickness: 6.63 mm. Number of parts: 327. Number of jewels: 35. 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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