Omega Pre-owned Speedmaster 3510.50 Wristwatch is a sport chronograph with a self-winding (automatic) movement and a black dial, designed for everyday and active use. Condition: Used (very good) — Rank A Used: a few traces of usage but overall in very good condition; glass scratches: insignificant; dial scratches/deterioration: none; hand scratches/deterioration: insignificant; case scratches: insignificant; bezel scratches: insignificant; crown scratches: insignificant; case back scratches: insignificant; bracelet scratches: insignificant; maintenance: polished; accessories: none. Key attributes: Black | Stainless steel | Durable stainless steel construction | Polished finish | Self-winding (automatic) movement | Chronograph function | Sport style | Black dial | Stainless steel bracelet | Dimensions & fit: Standard bracelet fit | Bracelet can be resized by a watchmaker | Composition & care: 100% stainless steel | Wipe with a soft cloth; avoid strong magnets; have movement serviced regularly by a qualified watchmaker.