Omega Seamaster Cosmic Ref 166 026,Automatic Movement Would Suggest Cal 565 Movement But Don't Have The Tool Too Be Able To See ,In Excellent Working Condition And Keeping Good Time With Quick Set Date Function,With Cross Hair Dial,Not Sure Of Date But Stamped on Backcase 1970,On Original Omega stainless Steel Strap, 35mm Across The Face 38mm Including The Crown, A Few Scratches And Marks On The Glass And Face And on The Case And Stainless steel Buckle (see pics,)Would Probably Polish Out,Or Keep it Original, Will Post Special Delivery.