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
