For sale is a beautiful and authentic Omega Constellation Quartz men's watch from the late 1970s (circa 1976–1978). The watch is in very good, honest vintage condition with a beautiful patina and a fully functional movement. Brand: Omega Model: Constellation Quartz Reference number (bracelet/case): 391.0012 / 191.0014 Movement: Omega Caliber 1330 (A very rare and precise quartz classic of the era) Movement condition: Fully functional! A new battery was installed by a professional 5 days ago (June 2026). The watch runs with absolute precision. Case: Stainless steel, approximately 32 mm without crown (34.4 mm including crown). Distinctive TV-shaped case with sharp edges. Dial: Deep black/dark brown with applied minimalist indices. Bracelet: Original, integrated Omega stainless steel bracelet with a beautiful satin/bark finish. Bracelet length: Full length of approximately 23 cm! The bracelet is uncut, which is extremely rare and valuable on the vintage market. Perfect for all wrist sizes. Setting the watch (Cal. 1330): The hours are set by pulling and turning the crown. The minutes are set electronically by pressing the pusher in the center of the crown. Everything functions perfectly. The watch shows normal signs of age (fine hairline scratches on the case and a light surface patina on the bracelet), but has intentionally not been polished to preserve the original edges and vintage character. The crystal and dial are in very good condition.