Omega Pre-owned Seamaster 300 Co-Axial Master Chronometer 1957 Trilogy Stainless Steel. Great Condition. Rank: Used A. Good used condition with slight scratches and stains. Before purchasing, please refer to the images for the exact condition of the item. Key attributes: Black | Stainless steel | Automatic movement | Co‑Axial Master Chronometer certified | High-precision chronometer performance | Stainless steel bracelet | Includes box — see images | Automatic winding | Black dial | Stainless steel case | 1957 Trilogy vintage-inspired design | Classic three-hand layout | Dimensions & fit: Standard fit | Composition & care: Stainless steel | Clean with a soft cloth. Have serviced by an authorized watchmaker as needed. Refer to images for accessory details.