Marine wristwatch. Self-winding movement with date. Balance spring in silicon. Sapphire caseback. Screw-locked crown. Water-resistant to 10 bar (100m). Diameter: 40mm.
CASE
Metal: Rose Gold
Skeleton: No Sapphire
Caseback: Yes
Case Width: 40 mm
Case Thickness: 11.50 mm
Water-resistant: 100 m
MOVEMENT
Caliber: 777A
Winding: Self-winding
Power reserve: 50
Lines: 15
Jewels: 26
Frequency: 4
Balance-wheel: Breguet
Escapement: inv. straight-line lever, Si horns
Balance-spring: flat, silicon
Oscillating weight: 18 Carats
Number of components: 179
REF: 5517BR/12/9ZU