Omega Pre-owned Constellation 198.0155 Wristwatch — a 35 mm dress watch with a silver dial and day-date function, powered by a quartz movement. Condition: Excellent; listed as Used (very good) and 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; band is aftermarket (not original) and shows no stains or dirt; maintenance performed: battery replaced and polished. Key attributes: Silver | Stainless steel | Quartz movement | Lightweight (30 g) | Day-date function | Aftermarket leather band | Battery replaced (recent) | Dress/Formal style | 35 mm case diameter | Silver dial | Polished finish | Dimensions & fit: Fits wrist circumference 14 cm - 18 cm (5.51'' - 7.08'') | Regular fit | Composition & care: Stainless steel | Leather | Wipe with a soft cloth; avoid prolonged water exposure; service battery and seals as needed.