Here is a manual winding vintage 1967 OMEGA SEAMASTER 600 in the 34mm. seamonster back stainless steel case with original OMEGA winding crown and OMEGA, hesalite crystal. The The silver dial is original and very fine. The caliber 613 MANUAL movement was just cleaned and is accurately keeping time. This style of OMEGA is amongst the most classic and desired amongst vintage OMEG dress watch collectors.