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WATCH
Self-winding mechanical movement. Caliber CH 28‑520 IRM QA 24H. Day, date and month in apertures.
DIAL
Dial: matte blue opaline, 8 baguette diamond hour markers (~0.23 ct).
CASE
Platinum. Sapphire-crystal case back. Water-resistant to 30m. Case diameter: 40.5 mm. Height: 13.53 mm.
GEMSETTING
Bezel set with 36 baguette diamonds (~3.48 ct). Fold-over clasp set with 22 baguette diamonds (~0.97 ct).
BRACELET / STRAP
Alligator strap with square scales, hand-stitched, shiny navy blue. Fold-over clasp.
CH 28-520 IRM QA 24H
SELF-WINDING
Chronograph with 60-minute and 12-hour mono-counter. Annual Calendar. Day/night indication. Power reserve indicator. Diameter: 33 mm. Height: 7.68 mm. Parts: 456. Bridges: 14. Jewels: 40. Power reserve: min. 45 hours - max. 55 hours. Winding rotor: 21K gold central rotor. Balance: Gyromax®. Vibrations/hour: 28 800 (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.
