The 0634 caliber was Seiko's first digital LCD chronograph quartz watch. The 0634-5019 was produced in 1975 and 1976. It ca… | Digital watch, Watches, Retro watches
File:Seiko LCD Solar Alarm Chronograph A156-5000, 1978.jpg - Wikimedia Commons
Seiko A904-5049 Alarm chronograph watch LCD digital with original bracelet | eBay
Seiko Quartz 02/1979 WARRANTY Digital LCD Alarm Chronograph... for $329 for sale from a Trusted Seller on Chrono24
Seiko Digital Chronograph A547 for $242 for sale from a Private Seller on Chrono24