Hour:Second:Time - 1979 Seiko A156 5020 in Gold. Seiko's first solar cell watch and a very collectable model, hard to find working, let alone in this condition. £80 | Facebook
SEIKO - A156 5040 - Digital - Vintage Digital Watch - Digital-Watch.com
Seiko A156-5000 Japan Watch 35x41mm NOT WORKING | eBay
Hi guys, I just found this old Seiko A156, unfortunately the battery is missing and it only "works" when it's under a source of light. Does anyone of you know what battery
File:Seiko LCD Solar Alarm Chronograph A156-5000, 1978.jpg - Wikimedia Commons