Swiss Made Calibre G1710 Automatic Chronograph Movement with Co-axial Counters - 28800 A/h (4Hz) - 34 jewels - 48 Hours Power Reserve 46 mm Bronze Case - Crown with 2 joints with "Clous de Paris" High Grip Pattern - Fixed Satin-brushed Bezel - Flat Sapphire Crystal with Two Portholes and Anti-reflective Coating Black Sunbrushed Dial - Analog - Golden Super-Luminous Numerals and Indexes Hours Marker - Golden Chrono Hand with White Super-Luminous tip - Rhodium Seconds Counters Black Rubber Mesh Pattern Strap with Bronze Pin Buckle Water Resistant Level 100M 10ATM - Swiss Made