EQUIPMENT FEATURES: Partly finely ground / partly polished 316L stainless steel case, case diameter 43.5 mm without crown, height 15 mm with glass and base, weight 173 grams. Left-handed diver's rotating bezel with ceramic inlay, screwed crown and base, base with viewing window. ORIS Caliber 400 Automatic Movement - Caliber 400 is an all-new movement developed in-house by Oris that sets new standards for mechanical automatic movements. It is equipped with a five-day power reserve and high magnetic protection. Recommended service intervals of 10 years and a 10-year guarantee complete the picture. With an accuracy of -3/+5 seconds per day, it exceeds the chronometer certification. Partly finely ground / partly polished 316L stainless steel strap with folding clasp and double pushers, wear.