Omega Pre-owned Speedmaster 3511.50 Wristwatch — a sport chronograph with a classic 39mm black dial designed for precise everyday timing. Condition: Used (very good) — Rank A Used: a few traces of usage with some minor scratches/dirt but overall in very good condition; glass and crown show no scratches; dial, hands, case, bezel, case back and bracelet show insignificant wear; polished during maintenance; accessories: None; serial number: 54**3108. Key attributes: Black | Stainless steel | Self-winding (automatic) movement | Chronograph | Date display | Stainless steel bracelet with clasp | 39mm stainless steel case | Black dial | Sport style | Polished finish | Stainless steel bracelet | Dimensions & fit: Regular fit | Composition & care: Wipe with a soft cloth. Avoid harsh chemicals and prolonged exposure to water. Service and maintenance should be performed by a professional watchmaker.