Omega — Pre-owned Speedmaster 3574.51 Wristwatch is a limited-edition sport chronograph (0668/3000) with a 42mm black dial and stainless steel bracelet, designed for precise timekeeping and everyday wear. Condition: Used (very good) — Rank A Used (a few traces of usage); polished during maintenance; no accessories included. Cosmetic notes: insignificant scratches on glass, case, bezel, crown, case back and bracelet; dial and hands show no deterioration. Key attributes: Black | Stainless steel | Manual winding (mechanical) movement | Chronograph function | Adjustable stainless steel bracelet | Black dial | 42mm case diameter | Sport design | Limited edition 0668/3000 | Polished finish | Dimensions & fit: Regular fit; adjustable bracelet | Can be resized by a watchmaker or jeweller | Composition & care: Stainless steel | Wipe with a soft cloth. Avoid strong chemicals and prolonged water exposure. Professional servicing recommended.