Omega Pre-owned Speedmaster 3511.50 Wristwatch — a sport-style chronograph with a black dial and 39mm stainless steel case, recently polished. Condition: Excellent; listed as Used (very good) — Rank A Used (a few traces of usage). Glass: no scratches; Dial: insignificant wear; Hands: no deterioration; Case, bezel, crown, case back and bracelet: insignificant scratches; Maintenance: polished; Accessories: none. Key attributes: Black | Stainless steel | Automatic movement for reliable timekeeping | Chronograph timing function | Chronograph | Date display | Self-winding (automatic) movement | Sport style | 39mm case diameter | Black dial | Stainless steel bracelet | Polished finish | Dimensions & fit: Regular fit | Sized for medium wrist | Composition & care: Stainless steel | Wipe with a soft cloth. Avoid prolonged exposure to water and strong chemicals. Service and battery/movement maintenance by a qualified watchmaker as needed.