Casiotron 25CR-16. The date only goes up to 2009. So it's stuck in the 1970s forever. : r/casio
CasioTRON WARRANTY Quartz Alarm Chronograph REISSUE 09/1978... for ฿11,903 for sale from a Trusted Seller on Chrono24
1979 Casiotron LCD 'Lemon' with box and papers - Birth Year Watches
Casio Casiotron S14 X-1s (1/2) - YouTube
CASIOTRON X-1 (1977) : r/casio
Buy Vintage Casio Casiotron S-14 X-1S Watch Mens Digital LCD World Online in India - Etsy
The Casio Vintage Club | Casio Casiotron 01-501(01), release date 1974 November, this is the debut model, the beginning of Casio wrist watches, the very first model
Casiotron TRN-03 Mod. 1670 1979 Digital Watch JAPAN for NZ$149 for sale from a Seller on Chrono24
Coolest Vintage - Non-traditional Casiotron dress watch. Inside the gold plated case, a well concealed Casio stamped dark grey module confirming the whole thing was produced in-house. Can't find any info online,