Casio 5535 Module - GA800 series G-Shock watch set-up, test screen & functions demo - YouTube
G-Shock GA-800/835 - module 5535 - tutorial on how to setup and use all the functions - YouTube
Casio G-shock Red 5535 Full Set GA 800 4adr Almost No.90416 for sale online | eBay
My watch has been doing this for a while. I have had the right time and date set, but then for no reason it just switches to this screen and the analog