Product Details: Brand: OMEGA (Omega) Line: De Ville (De Ville) Model Number (Ref): 191.0046 (stamped on the inside of the case back) Movement: Quartz (push-button crown) Accessories: Main body, Omega genuine buckle (with Ω mark) Condition: Operation: Working. Battery replaced, and it is working accurately without any problems, including time adjustment. Crystal (Glass): The surface is very clean, but as a symptom typical of vintage items, there is a slight trace of adhesive or a tiny stain on the edge (inside) of the left side of the glass. It does not impair visibility, but please check the images. Body (Case): There are minor scratches due to use, but overall it has a glossy appearance and is in beautiful condition. Belt: A beautiful leather belt is attached. The end of the belt has a rare Omega genuine buckle with the Ω mark. Features: This is a vintage Omega from the late 1970s. It was a men's size at the time, but it is an elegant size that can be used by both men and women today. You can enjoy the "push-button crown" mechanism, which is unique to this era, where you press a thin rod in the center of the crown to set the time.