Omega Constellation 1312.30 — a pre-owned two-tone dress wristwatch combining stainless steel and 18K yellow gold with a silver dial and quartz date movement. Condition: Used (very good). Rank A Used - a few traces of usage; glass, dial and hands show no scratches or deterioration; case, bezel, case back and bracelet show insignificant scratches; crown shows no scratches. Maintenance: battery replaced and polished. Accessories: None. Key attributes: Yellow | Gold | Silver | Stainless steel | 18K yellow gold | Precise quartz timekeeping | Lightweight (90 g) | Date display | Quartz movement | Two-tone case and bracelet | Silver dial | Dress / Formal styling | 33 mm case diameter | Dimensions & fit: Regular fit | Composition & care: Stainless steel | 18K yellow gold | Wipe clean with a soft cloth. Avoid contact with chemicals and prolonged moisture. Have battery replacements and servicing performed by a qualified watchmaker.