Info about the Seiko 5420 movement -From the Seiko movement date tool- Some dates are approximate but when used with a serial number are accurate enough to narrow down the decade.

Free and simple Seiko serial number decoder and movement date finder. Enter your Seiko serial number and find when the watch was made, its value and links to manuals and info.

Info about the Seiko 6530 movement -From the Seiko movement date tool- Some dates are approximate but when used with a serial number are accurate enough to narrow down the decade.

The easiest way to find the date from a Seiko serial number is to use the automated Seiko serial number decoder but this page explains how to do it manually. Seiko watches use a 6 or 7 digit serial number stamped on the caseback.

Try out the free easy to use seiko serial number and movement date finder on your vintage seiko watch. Enter your seiko serial number and find out when your watch was made as well as get links to manuals and info.