1990 pre-owned Constellation 33mm from OMEGA Pre-Owned featuring 18kt yellow gold, round face, guilloché dial, baton dial, baton hands, date indication, Roman numeral bezel, screw-down crown, adjustable link bracelet, folding clasp, quartz movement, circa 1990 and 33mm. This item comes with a standard one-year warranty from the boutique.. Purchasing this item continues its narrative and reduces the environmental impact by avoiding the use of new resources needed to make the product from scratch, such as water, materials and electricity, and avoiding additional manufacturing impact.. Learn more about what makes a product Conscious on our Conscious Criteria page.