5160/500G – GRAND COMPLICATIONS SELF-WINDING

Silvery opaline dial with hand-engraved center, gold applied Breguet numerals. 18K gold dial plate. White gold. Case, crown and lugs entirely hand-engraved. Hand-engraved fold-over clasp. Case diameter: 38 mm. Height: 11.79 mm. Water-resistant to 30 m. Sapphire crystal case back protected by a hand-engraved hinged dust cover. Alligator strap with square scales, hand-stitched, matte black. Hand-engraved fold-over clasp. Perpetual calendar with retrograde date hand. Day, month, leap year in apertures. Sweep seconds hand. Moon phases.
Perpetual calendar with retrograde date hand. Diameter: 28 mm. Thickness: 5.35 mm. Number of parts: 361. Bridges: 9. Jewels: 30. Power reserve: min. 35 hours – max. 45 hours. Winding rotor: 21K gold central rotor. Balance: Gyromax®. Vibrations/hour: 28 800 (4 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.