CASE Stainless steel case Diameter 40.0 mm Height 11.0 mm Screw in crown Water resistance 6 bar MOVEMENT 35111 Calibre Automatic, self-winding 42 hours Power Reserve Frequency 28800.0 vph (4.0 hz) 163 Components 25 Jewels Côtes de Genève, perlage FEATURES Soft-iron inner case for protection against magnetic fields Date display Glass secured against displacement by drop in air pressure Sapphire glass, convex, antireflective coating on both sides Central hacking seconds DIAL Silver-plated dial with luminescence STRAP Black calfskin strap Strap width 20 mm