- WITH MANUFACTURER SERIAL NUMBERS - Blue Dial - Chronograph and Date Features - Self Winding Automatic Movement - Caliber 3330 Co-Axial Escapement Movement - 52 Hour Power Reserve - Guaranteed Authentic - Certificate of Authenticity - Manufacturer Box & Manual - Stainless Steel Case - Black Rubber Strap - Scratch Resistant Sapphire Crystal - 100 Meters / 330 Feet Water Resistant - 40mm = 1 1/2" Case, 7" Adjustable Strap - Deployment Buckle Also Known As Model # 326 32 40 50 03 001 Model 326.32.40.50.03.001-2