Marine 5517

Marine wristwatch. Self-winding movement with date. Balance spring in silicon. Sapphire caseback. Screw-locked crown. Water-resistant to 10 bar (100m). Diameter: 40mm.Technical specifications Movement Winding : Self-winding Power reserve (hours) : 55 Calibre : 777A 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 Case Metal : Titanium Skeleton : No Sapphire caseback : Yes Case width (mm) : 40 Case thickness (mm) : 11.50 Water-resistant (m) : 100