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
Casio Casiotron R-11 - Time Art Piece
X - Casio Casiotron TRN-03 WR Digital Vintage - G-Shock Vintage
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,
Buy Vintage Casio Casiotron S-14 X-1S Watch Mens Digital LCD World Online in India - Etsy