Movement:7750 Valjoux Working Chronograph Movement, 28800bph, Decorated Insignia Rotor
Dial Dimensions: 43 mm
Product Thickness: 16 mm
Material: 1 piece forged case construction, Solid 316 Stainless Steel, 18K thik plating...5 mils
Crystal:  Sapphire Crystal, Double sided AR coated
Water-resistant   TIPS: When you order the watches, please tell me the item no and color of the watches which you want to buy.