Hi there, totally understand you would want to keep the watch if it holds sentimental value.
@gatorcpa, I’m curious about the various sources of Longines serial numbers found on line. Where do they come from? How do we know they refer to production date and why would anyone deem them any more reliable than Longines’ own invoicing and sales records to date a watch?
AFAIK the dating Longines collectors use and consider authoritative comes from the extract of archives, which refers to the date the watch is sold by the manufacture to a distributor.
Those listings found on line are great for estimates and we all use them, but I’m curious where they come from and how we know that they are production dates.
Many thanks in advance;
Best regards
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