This Omega Pre-owned Speedmaster 3510.50 Wristwatch pairs sport styling with a 39mm stainless steel case and an automatic chronograph movement. Condition: Used (very good) — Rank A Used: a few traces of usage; glass scratches: insignificant; dial scratches/deterioration: none; hand scratches/deterioration: insignificant; case scratches: insignificant; bezel scratches: insignificant; crown scratches: none; case back scratches: insignificant; bracelet scratches: insignificant; maintenance: polished; accessories: none. Key attributes: Black | Stainless steel | Self-winding (automatic) movement | Chronograph function | Black dial | 39mm case diameter | Sport style | Stainless steel case and bracelet | Dimensions & fit: Fits 18cm / 7.08'' wrist | Regular fit (standard wrist size) | Composition & care: 100% stainless steel | Wipe with a soft cloth. Have movement serviced by a professional watchmaker as needed.