Omega Pre-owned Seamaster Professional Diver 300M Automatic Chronograph — a professional dive watch with chronograph function and automatic movement. Good condition (Used A): obvious scratches and stains. Before purchasing, please refer to the images for the exact condition of the item. Key attributes: Black | Stainless steel | 300 m water resistance | Automatic movement | Chronograph function | Chronograph layout | Black dial | Stainless steel case and bracelet | Dimensions & fit: Regular fit | Composition & care: Stainless steel | Clean with a soft cloth. Avoid exposure to strong chemicals. Service and maintenance should be performed by a professional watchmaker.