Omega Pre-owned Speedmaster 3507.51 Wristwatch — a sport-style automatic chronograph in stainless steel, ideal for everyday and active wear. Condition: Used (very good). Rank A Used — a few traces of usage; glass: None; dial scratches/deterioration: None; hand scratches/deterioration: None; case scratches: None; bezel scratches: None; crown scratches: None; case back scratches: Insignificant; bracelet scratches: Insignificant; maintenance: Polished; accessories: None. Key attributes: Black | Stainless steel | Durable stainless steel construction | Polished finish | Reliable automatic movement | Chronograph | Date display | Self-winding (automatic) | Black dial | 42mm case diameter | Sport chronograph design | Stainless steel bracelet | Dimensions & fit: Fits wrist circumference approx. 15cm / 5.9" | Composition & care: 100% stainless steel | Wipe with a soft cloth; avoid chemicals and extreme temperatures; have the movement serviced by a qualified watchmaker.