Yellow Gold, Stainless Steel Case. Caliber 4135 Automatic Movement. 36mm Diameter. Solid Case Back. Clasp With Hidden Crown Cork Release. Sapphire Crystal Bezel And Glass Insert. Luminescent Hands And Appliques. Champagne Dial With Roman Numeral Hour Markers. Date Aperture At 3 O'Clock. Water Resistance Up To 100 Meters (Approximately 330 Feet).