Omega Pre-owned Seamaster 2540.50 Wristwatch with a two-tone stainless steel and 18K yellow gold case and a black dial. Condition: Used (very good) — Rank A Used: a few traces of usage (some light scratches/dirt) but overall in very good condition. Accessories: None. Maintenance: Battery replaced and polished. Key attributes: Black | Stainless steel | Yellow gold | Reliable quartz movement | Quartz movement | Chronograph | GMT function | Day-date display | Alarm | Two-tone case (stainless steel and yellow gold) | Black dial | Dress / Formal style | 31 mm case diameter | Dimensions & fit: Standard fit | Composition & care: Stainless steel | Yellow gold 18K | Battery replaced; polished. Clean with a soft cloth. Have serviced by a professional watchmaker as needed.