Case in 18-carat white gold with delicately fluted caseband. Sapphire-crystal caseback. 39mm diameter. Dial in “Grand Feu” enamel. Age and phases of the moon. Power reserve indication. Self-winding movement, Cal. 591DRL. 38-hour power reserve. Swiss straight-line lever escapement in silicon. Balance spring in silicon. Balance frequency 4Hz.
CASE
Metal: Rose gold
Skeleton: No
Sapphire Caseback: Yes
Case Shape: Round
Diameter: 39 mm
Case Thickness: 10.2 mm
Water-resistant: 30 m
MOVEMENT
Caliber: 591 DRL
Winding: Self-winding
Power reserve: 38
Lines: 11 1/2
Jewels: 25
Frequency: 4
Balance-wheel: Breguet
Escapement: Swiss straight-line lever / Silicon
Balance-spring: Flat/Silicon
Oscillating weight: 18 Carats
Number of components: 217
REF: 7787BR/29/9V6
