My only Longines. Have never posted this one before. The 4million 5 hundred thousand serial number tells me it is likely mid 1920s. White gold filled case made in Canada. Vitreous enamel dial. I think the hands are original. Caliber 12.92, 15-jewel movement.
Hello, first proper post from me...here's my 1956 All Guard 9006 bought on here a couple of weeks ago...looking beautiful with a new strap in the September sun!