OMEGA Constellation Ref 3980876 men's watch from the 80s. Stainless steel / yellow gold 14K. Quartz movement cal. 1431 in working condition. New battery. Gold-colored dial with applied indices, railroad minute track and date display. The watch was revised in June 2025. Gold bezel with Roman numerals. Omega stainless steel bracelet (slight stretch) with folding clasp (Omega emblem on the clasp missing). Good condition with signs of wear. Proof of revision enclosed. Diameter approx. 33 mm (measured without crown). Fits up to approx. 19 cm wrist size.