TECHNICAL DATA CASE DIMENSIONS: THICKNESS: 13.4mm DIAMETER: 45.0mm LENGTH: 52.6mm MOVEMENT: Caliber 6R35 21,600 vibrations per hour 24 jewels Power reserve: approximately 70 hours CASE: Stainless steel case with black hard coating CRYSTAL MATERIAL: Curved sapphire crystal with anti-reflective coating on the inner surface WATER RESISTANCE: 200 meters (660 feet), follows ISO standards and is suitable for scuba diving DIAL COLOR: Black STRAP: Stainless steel bracelet with black hard coating LUG WIDTH: 20