Omega Pre-owned Constellation 1312.30 Wristwatch is a two-tone stainless steel and 18K yellow gold dress watch with a silver dial and quartz date function. Condition: Used (very good) — Rank A: a few traces of usage; glass, dial and hands show no scratches or deterioration; crown shows no scratches; case, bezel, case back and bracelet show insignificant scratches; maintenance: battery replaced and polished; accessories include guarantee card and manual; purchase date 2003; serial number 58**0397; wrist size 19 cm; total weight 90 g. Key attributes: Multicolor | Gold | Silver | Stainless steel, Yellow gold (18K) | Quartz movement | Reliable timekeeping | Date display | Battery-powered quartz | Two-tone stainless steel and 18K yellow gold | Silver dial | Dress / Formal style | Case diameter 33mm | Dimensions & fit: Regular fit; currently sized for an average wrist | Composition & care: Stainless steel | Yellow gold (18K) | Battery replaced; wipe with a soft cloth. Have battery and routine service performed by an authorized watchmaker as needed.