Seiko Digital Quartz 0138-5030 Chronograph Stopwatch Quartz Mens Wrist Watch | eBay
Seiko S062 (Silver) Solar Powered Stopwatch - Saturn Stopwatches
My newest catch, working vintage Seiko stopwatch. Dial says [90-5060T] and back says [90-5040]. The movement says Seikosha, Seiko branch. I cannot find more details, or production year. Anyone more info? :