1980 Omega Constellation - Stainless Steel case - Solid 18k yellow gold bezel Original Omega strap and Original Omega buckle Gold Medallion on Case Back in Mint condition I've included many large pictures to show the "like NOS" condition of this beauty Overall in Like New Condition running perfectly. Original Quartz Swiss Made Movement. Original Signed Omega Dial, Crown, Case, and Movement. Original strap and buckle. Stainless Steel Case with solid 18k yellow gold bezel, Gold Observatory logo on case back, Screw on Back. Case Reference 198.0121, 34.0 mm width without crown. Gold color dial with Roman Numeral markers and steel hands. This watch sat in my possession ( NOS ) for a very long time. I took it out a couple of months ago, had my trusted local watchmaker put in a new battery and then I wore it for a couple of days. It's just too nice for me to wear, I'm afraid of putting some scratches on it. This is the "Crystal" Constellation model described in the Omega reference book "A Journey Through Time" on page 382. $495 PayPal Accepted. Shipping $15 to USA