Equipped with a self-winding flyback chronograph movement, this steel Aquanaut features a strikingly original design, with the chronograph indications standing out in orange against the black dial background. It comes with two black or orange straps in an ultra-sturdy composite material, secured by an Aquanaut fold-over clasp.
Dial: Sunburst charcoal gray with black-gradient rim, embossed Aquanaut pattern, white gold applied numerals with white luminescent coating. White gold baton-style hands with white luminescent coating.
Case: Steel. Diameter (10-4 o’clock): 42.2 mm. Thickness: 11.9 mm. Water-resistant to 30m. Screw-down crown. Sapphire crystal case back.
Strap: Composite material, black (originally fitted). Composite material, orange (additional strap). Steel patented fold-over clasp.
Movement:
CH 28-520 C
Self-winding
Flyback chronograph
Central chronograph hand
60-minute counter
Date in an aperture
Diameter: 30 mm. Thickness: 6.63 mm. Number of parts: 308. Number of jewels: 32. 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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