Omega Constellation Quartz – Stainless Steel – Roman Bezel – Original Omega Bracelet Ref. 551/863 – Swiss Made Omega Constellation quartz wristwatch in stainless steel with the characteristic Roman numeral bezel. Champagne dial with applied hour markers, Omega logo and date window at 3 o’clock. Powered by a Swiss Omega quartz movement. Original Omega stainless steel bracelet, clasp marked 551 / 863. Case back with the classic Constellation observatory medallion. Case diameter approximately 25–27 mm without crown. Condition: good vintage condition with normal signs of wear consistent with age. The watch is running. The serial number is located on the movement but is not visible without removing the movement from the case. Swiss Made.