Omega Pre-owned Speedmaster Day-Date (MPN 3521.30). Used (good) — Rank AB: traces of usage, scratches and dirt can be seen but generally in good condition. Glass, dial, hands, case, bezel, crown, case back and bracelet scratches: Insignificant. Band stains/dirt: Insignificant. Before purchasing, please refer to the images for the exact condition of the item. Key attributes: Gray | Silver | Stainless steel | Self-winding (automatic) movement | Stainless steel bracelet | Round case | Silver dial | Vintage Speedmaster styling | Dimensions & fit: Standard wrist fit | Composition & care: Stainless steel | Wipe with a soft cloth. Avoid prolonged exposure to moisture and strong magnetic fields. Recommend periodic professional servicing.