Omega Pre-owned Speedmaster 3523.30 Wristwatch in stainless steel. Condition: Used (very good) — Rank A Used: a few traces of usage; some scratches/dirt can be seen but overall in very good condition. Polished; no glass, dial or hand scratches; case, bezel, crown, case back and bracelet show only insignificant scratches. Accessories: None. Serial number: 57**3510. Key attributes: Gray | Silver | Stainless steel | Self-winding (automatic) movement | Total weight 120 g / 4.23 oz | Chronograph | Day-date display | 39 mm case diameter | Silver dial | Sport style | Stainless steel bracelet | Polished case finish | Dimensions & fit: Fits wrist circumference shown: 15.5 cm / 6.1'' | Composition & care: Stainless steel (case and bracelet) | Wipe with a soft cloth. Avoid contact with chemicals and prolonged water exposure. Store dry. Have serviced by a qualified watchmaker as needed.