Omega Pre-owned Speedmaster 3521.30 Wristwatch presented in sport styling with a self-winding chronograph and day-date display. Condition: Used (very good) — Rank A Used: a few traces of usage; glass, dial and hands show no scratches; case, bezel, case back and bracelet show insignificant scratches; crown shows no scratches. Maintenance: Polished. Accessories: None. Key attributes: Gray | Silver | Stainless steel | Self-winding (automatic) movement | Chronograph function | Day-date display | Adjustable bracelet links | Sport style | 39mm round case | Silver dial | Polished stainless steel finish | Stainless steel bracelet | Dimensions & fit: Regular fit | Adjustable bracelet links | Composition & care: 100% stainless steel | Clean with a soft cloth; avoid strong impacts and prolonged water exposure; have serviced regularly by a professional watchmaker.