5178G – GRAND COMPLICATIONS SELF-WINDING

Hand-guilloched swirling pattern beneath Grand Feu blue transparent enamel (flinqué enamel), gold applied Breguet numerals. 18K gold dial plate. White gold. Diameter: 40 mm. Height: 10.53 mm. Humidity- and dust-protected only (not water resistant). Interchangeable solid and sapphire crystal case backs. Alligator leather with square scales, hand-stitched, shiny peacock blue (originally fitted). Alligator leather with square scales, hand-stitched, shiny orange (additional strap). Fold-over clasp. Minute repeater. Chime with two “cathedral” gongs activated by a slide piece in the case. Minute repeater with chime on two “cathedral” gongs. Small seconds.
Minute repeater. Diameter: 28 mm. Thickness: 5.05 mm. Number of parts: 342. Bridges: 10. Jewels: 39. Power reserve: min. 43 hours – max. 48 hours. 22K gold off-center mini-rotor. Balance: Gyromax®. Vibrations/hour: 21 600 (3 Hz). Balance spring: Spiromax®. Hallmark: Patek Philippe Seal.