Just picked up a vintage Longines and I can't find much info about. Where does Longines locate the serial number? Any idea what the lever at the 6 o'clock position is used for? Any info about the watch would be helpful.
Thanks
Barry
http://i170.photobucket.com/albums/u242/barmy1/Watches/IMG_1659s_zps226f96b3.jpg
Thanks
Barry
http://i170.photobucket.com/albums/u242/barmy1/Watches/IMG_1659s_zps226f96b3.jpg