Seiko Serial Numbers Complete Guide and Date - Millenary Watches
How to spot a fake seiko watch - B+C Guides
How OLD is my SEIKO? Find out when your SEIKO Watch was made! Learn How-to find the year it was made - YouTube
Deciphering Seiko Case Back Information — Plus9Time
Seiko Serial Numbers Complete Guide and Date - Millenary Watches
How old is my SNXJ89? It has a 7s26a movement and the serial number begins with a '9', which makes me think it was made in 1999, but apparently displaybacks weren't made
The History of Seiko Through 12 Milestone Seiko Watches | WatchTime - USA's No.1 Watch Magazine