Seiko 7N39-OBCO Tank Watch. | WatchUSeek Watch Forums
Original Seiko 7N39 Japan Made Quartz Watch Movement, 2 Hands Date at 3 - NEW | eBay
Seiko 7N39 0BL0 for $106 for sale from a Private Seller on Chrono24
Seiko 7N39-5B00 & V739-0B40 Watch Band Black Leather 19 mm - Watch Plaza
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