Omega Constellation No-Date 18k cal. 551 A great 167005 with 20,0 serial for sale. Great case and a splendid dial and hands. Nice and clean movement with unknown service history, watch runs and winds well with both automatic and manual wind. Plexiglas w.o scratches. Comes on a no-name leather with a Big Logo Omega clasp and a small red omega box. A great timepiece that deserves to be worn often. I'll let the pictures talk. Item located in Sweden, shipment at cost w.w. ( approx 50usd) Priced at 3k USD. Payment by wire or PayPal, for PayPal please add 4% References from here and other other forums available upon request. /Holma