Vintage Seiko LCD Calculator Chronograph C439-5010 Working | eBay
Bid Now: Seiko Calculator Automatic wristwatch chronographwith 30/60-minute counter, 12-hour counter, day of the week (German/English) and date, - March 6, 0123 1:00 PM CET
Speedtimerkollektion
SOLD 1977 Seiko LCD Calculator watch C153-5009 - Birth Year Watches
Rare SEIKO Calculator Alarm C359-5000 NOS unworn - Etsy