First This is an Omega De Ville wristwatch coated in gold. Brand: Omega. Model: De Ville. Material: Gold plated. Movement: Quartz. Condition: Used in very good condition with minor signs of wear and barely noticeable scratches. Second Model: Omega Constellation Chronometer. Movement: Electronic with f300 Hz technology, specifically caliber 1250 or 1260. Features: - Blue dial with a neat design. - Window displaying the day and date at 3 o'clock. - Integrated case and bracelet made of stainless steel. Manufacturing period: This series dates back to the early seventies, around 1972-1973. Brand: Omega