CASE DIMENSIONS: DIAMETER: 38 mm THICKNESS: 12.1 mm LENGTH: 44.2 mm MOVEMENT: Automatic Caliber 4R36 21,600 vibrations per hour 24 jewels Power reserve: approximately 41 hours CASE: Stainless steel CRYSTAL MATERIAL: Hardlex crystal WATER RESISTANCE: 10 bar, 100 meters (330 feet) DIAL COLOR: Blue STRAP: Stainless steel bracelet + blue nato strap LUG WIDTH: 20 mm