Brand: Rolex Model: Oyster Perpetual Movement: Automatic (Cal. 1130) Case Material: 18k yellow gold (there is small stamp for gold of one of the lugs and sain "0,750 18K" on the inside of the back cover). Case Diameter: 25 mm (excluding crown) Crystal: Acrylic Condition: Very good (for age) Scope of Delivery: Watch only (no box/papers) The strap is not original one The watch is absolutely running condition, but for good aquracy need service. Shipping Worldwide shipping available