TECHNICAL DATA CASE DIMENSIONS: THICKNESS: 13.4mm DIAMETER: 42.6mm LENGTH: 49.3mm MOVEMENT: Caliber 8L35 28,800 vibrations per hour 26 jewels Power reserve: approximately 50 hours CASE: Stainless steel case with super-hard coating CRYSTAL MATERIAL: Dual curved sapphire crystal with anti-reflective coating on the inner surface WATER RESISTANCE: 300 meters (1,000 feet), follows ISO standards and is suitable for scuba diving DIAL COLOR: Black STRAP: Stainless steel bracelet with super-hard coating LUG WIDTH: 20