Brand	Casio
Type	Calculator Watch
Release Date	?
Display Type	LCD
Serial Num.	N/A
Date code	N/A
Country of origin	Japan

Purchased at a flea market on August 19, 2022 (alongside Sun Hemmi No.1768C, Sterling No.594, Nestler Nr.11 D). I took a gamble on this one as I was unable to test it before I bought it. In this case the gamble didn't pay off since it is not currently functional.