Pre-owned Rolex Oyster Perpetual ref. 6618 from the '60s. The Ladies Oyster Perpetual ref. 6618 is a vintage sophisticated and classic piece. While maintaining a feminine size and weight, the Rolex 6618 is sure to become your new favorite Rolex watch. Steel and white gold, an acrylic crystal over the champagne dial, and a oyster bracelet blend together to create a ladies reference that can handle whatever your day may bring: an important night or a casual business day. Brand: Rolex Model: Oyster Perpetual Lady Reference: 6618 Case Material: Steel/Gold Movement: Automatic Dimension: 26 mm Dial: Champagne Crystal: Sapphire Bracelet Type: Oyster Bracelet Material: Steel/Gold Original Box: No Original Papers: No Condition: Very Good