Omega Seamaster Diver 300M Ceramic Automatic presented as Pre-owned Seamaster Diver 300M Ceramic Automatic. Condition: Pristine Condition. Rank: Used A Unused. Storefront display. Before purchasing, please refer to the images for the exact condition of the item. Key attributes: Black | Glass | Ceramic | Automatic movement | Rubber strap | Includes authenticity card | Includes box | Diver styling | Black finish | Ceramic and glass construction | Plastic case | Dimensions & fit: One-size (standard watch sizing) | Composition & care: Glass | Ceramic | Plastic | Rubber | Wipe clean with a soft cloth; avoid solvents and chemicals. Have the movement serviced by a professional watchmaker.