Brand Rolex Model Datejust Mid-Size Reference 68278 Gender Unisex Movement Kinetic (Automatic) Case Diameter 31 mm Case Material Yellow Gold Plated Band Material Yellow Gold Plated (Jubilee) Dial Color Champagne Quality Japanese (Miyota) Glass Sapphire crystal Water Resistance Watches are water resistant but not waterproof, we do not recommend swimming with them or taking showers with them.