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WATCH
Self-winding mechanical movement. Caliber CH 28‑520. Flyback chronograph. Central chronograph hand. 60-minute counter.
DIAL
White mother-of-pearl, engraved with Aquanaut pattern, baguette multicolored sapphire hour markers and gold applied numerals.
CASE
Rose gold. Sapphire crystal case back. Water-resistant to 30 m. Diameter (10–4 o’clock): 39.9 mm. Height: 10.37 mm.
GEMSETTING
40 multicolored sapphires: 2.31 cts. (bezel). 40 diamonds: 2.05 cts. (bezel). 12 multicolored sapphires: 0.31 ct. (hour markers). 10 diamonds: 0.36 ct. (fold-over clasp). Total of 52 baguette-cut multicolored sapphires (2.62 cts) and 50 baguette-cut diamonds (2.41 cts).
BRACELET / STRAP
Composite material, red (originally fitted). Composite material, matte beige and matte white (additional straps). Diamond-set patented fold-over clasp.
CH 28-520
SELF-WINDING
Flyback chronograph. Central chronograph hand. 60-minute counter. Diameter: 30 mm. Height: 5.3 mm. Number of parts: 259. Power reserve: min. 45 hours - max. 55 hours. Winding rotor: 21K gold central rotor. Balance: Gyromax®. Frequency: 28,800 semi-oscillations per hour (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.
