Omega Pre-owned Speedmaster 3510.50 Wristwatch — a sport chronograph with self-winding movement and a 39mm black dial, suited for everyday and active wear. Condition: Used (very good) — Rank A: a few traces of usage and some scratches/dirt but overall in very good condition. Glass, dial, hands, case, bezel, crown, case back and bracelet show insignificant scratches; maintenance: polished; accessories: none; serial: 54**3783; wrist size: 17cm; total weight: 100g. Key attributes: Black | Stainless steel | Reliable automatic timekeeping | Lightweight — 100g total weight | Self-winding (automatic) movement | Chronograph function | 39mm case diameter | Black dial | Sport style | Stainless steel case and bracelet | Dimensions & fit: Regular fit | Composition & care: Stainless steel (case and bracelet) | Wipe with a soft cloth. Professional servicing recommended for movement maintenance.