• Seiko Lassale Watch Value
• Seiko Lassale Men's Watches

Understanding Seiko Serial Numbers How do you find out how old a seiko is by serial numbers? The serial number indicates the last digit of the year and month made in the formay YMxxxx(x) where months go 1-9,O,N,D so a 8N1234 would be Nov. To narrow down the decade you might judge by the case number.

Seiko Lassale Watch Value

One tip for guessing decade is if the serial is 7 digit, it was probably made '67 or earlier whereas 6 digits would be '68 or later. (late '67 / early '68 transition to 6 digit serial numbers).

Seiko Lassale Men's Watches

Welcome to the world of seiko. Seiko is one of the few fully integrated seiko serial number lookup watch manufactures. In my previous article on how to date your.