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·Hello! I am still somewhat new to posting here, but as this is THE best place to get info on Omega watches, I had to try. I need help with identification and restoration recommendations. I just picked up this Seamaster chronograph, I believe it is from 1968 and a caliber 861. It looks all original to me- any concerns from the experts? Also, what is the general consensus on restoration? Should I just get it cleaned up as is, or do a complete restore? And from what I understand, restoration means doing everything possible to make it look like it was factory new... even down to specific brushed or polished finishes (any recommendations on who would be a good person to send this to in the USA?). AND it is missing one end link, does anyone have an extra floating around for sale? Any input would be appreciated. THANK YOU!