Omega Pre-owned Dynamic 5240.50 Wristwatch is a sport chronograph with a black dial and automatic self-winding movement, suited for everyday wear and active use. Condition: Used (very good) — Rank A Used (a few traces of usage); glass, dial and hands show no scratches; case, bezel and case back show insignificant scratches; crown shows no scratches; leather band has slight stains/dirt; accessories: none; maintenance: polished. Key attributes: Black | Stainless steel | Leather | Automatic movement | Chronograph complication | Chronograph function | Self-winding (automatic) movement | Leather strap | Black dial | 38mm case diameter | Stainless steel case | Sport style | Polished finish | Dimensions & fit: Fits wrists 15.5 cm - 19 cm (6.1'' - 7.48'') | Composition & care: Stainless steel | Leather | Wipe with a soft cloth; avoid chemicals and prolonged water exposure. Have serviced by a professional watchmaker as needed.