Identification] [seiko 7N39] anyone know what I've got here? Can't determine what year this was made or what model this is? Couldn't find in SEIKO catalog. Serial number on back 831839. Doesn't
Seiko Premier 100m Men's with steel bracelet for $206 for sale from a Private Seller on Chrono24
Seiko tank?] Flat battery or something else? Seiko 7n39 5020 not running : r/Watches