How OLD is my SEIKO? Find out when your SEIKO Watch was made! Learn How-to find the year it was made - YouTube
6309-589A] Looking for more info on my dad's Seiko. Serial# from 1983, bought in 1985. Can't find it in the Japanese catalogues from 83-85, or anywhere online. Smart looking watch, any ideas
Deciphering Seiko Case Back Information — Plus9Time
Top 47+ imagen seiko serial number production date - Thptnganamst.edu.vn