Below you can find logos, similar to the G-Shock Casio.

casio casio vector
Casio 348 Casio 348 vector
Blessed Occasions Blessed Occasions vector
Casio Casio  vector
casio electr casio electr vector
CASIO 2 CASIO 2 vector
CASIO 1 CASIO 1 vector
G-Shock G-Shock vector
Casio 1 Casio 1 vector
Casio Casio vector