Omega Pre-owned Speedmaster 3502.73 Wristwatch featuring a blue shell dial and chronograph function, designed for sport timing and everyday wear. Condition: Used (very good) — Rank A Used: a few traces of usage; polished maintenance; accessories: None; Glass scratches: Insignificant; Dial scratches/deterioration: None; Hand scratches/deterioration: None; Case scratches: Insignificant; Bezel scratches: Insignificant; Crown scratches: None; Case back scratches: Insignificant; Bracelet scratches: Insignificant. Key attributes: Blue shell | Stainless steel | Self-winding (automatic) movement | Chronograph function | Mid-size case | Blue shell dial | Sport style | Stainless steel bracelet | Dimensions & fit: Standard fit | Composition & care: Stainless steel (case and bracelet) | Wipe with a soft cloth; avoid prolonged exposure to water; have movement serviced by a professional watchmaker.