Omega Constellation Automatic cal. 712 from 1966. The watch is in very good original and functioning condition. – steel case ref: 166.041, in very good condition, 33 mm without crown. - Rare and original dial in very good condition, beautiful patina. - original signed crown - original plexiglass, signed with Omega logo in the centre. To note: small scratch at 6 o'clock (see photos). - screwed back, Constellation medallion. - Omega movement, cal. 712 with automatic winding. Number: 23xxxxxx circa 1966. In perfect working order, 'chronometer adjusted 5 positions' - black leather strap Measurements: 115 x 70 mm Sold without box or papers The watch is in good condition overall. I don't know when it was last serviced, but the watch works well. It comes from my personal collection. I am not a professional, so I have tried to describe it as well as possible. Secure shipping (with tracking) via Bpost. Happy bidding.