Omega Pre-owned Speedmaster 3511.50 Wristwatch in Used (very good) condition. Rank A Used — a few traces of usage and some scratches/dirt can be seen but overall in very good condition; maintenance: polished; accessories: None; glass: no scratches; dial: no scratches/deterioration; hands, case, bezel, crown, case back and bracelet: insignificant scratches; serial number 54**4400. Key attributes: Black | Stainless steel | Self-winding (automatic) movement | Durable stainless steel construction | Chronograph | Date display | Sport style | Black dial | 39mm case diameter | Polished finish | Dimensions & fit: Regular fit — suited to a wrist circumference of about 16.5 cm (6.49''). | Composition & care: Stainless steel | Wipe with a soft cloth. Avoid strong impacts and prolonged exposure to moisture. Service recommended by a professional watchmaker.