Omega Speedmaster 3510.50 — a classic sport chronograph with a 39mm black dial and self-winding automatic movement. Condition: Used (very good). Rank A Used - a few traces of usage; insignificant scratches on glass, hands, case, bezel, case back and bracelet; dial and crown show no deterioration; polished; accessories: None; wrist size 17 cm / 6.69''; total weight 100 g / 3.52 oz. Key attributes: Black | Stainless steel | Lightweight (100 g / 3.52 oz) | Chronograph | Self-winding (automatic) movement | 39mm case diameter | Black dial | Sport design | Stainless steel bracelet | Polished finish | Dimensions & fit: Fits a 17 cm / 6.69'' wrist | Composition & care: Stainless steel | Wipe with a soft cloth. Avoid contact with chemicals. Service movement regularly by a qualified watchmaker.