Product Details Sku: ES5068 Case Size: 28 mm Movement: Quartz Platform: CARLIE MINI Strap Material: Leather. By purchasing this product, you are supporting Leather Working Group certified tanneries. Case Water Resistance: 5 ATM Case Material: Stainless Steel Case Color: Rose Gold Dial Colour: Grey Interchangeable Compatibility: 12 mm Strap Width: 12 mm Closure: Single Prong Strap Buckle Strap Inner Circumference: 175 +/- 5 mm Battery Type: SR621SW