Got my first G, the Riseman man in black 2 back in 1999, seated at the bottom of the pic, notice that the bezel has long broken off, leaving the plastic casing only n still surviving. If you notice,most of my Casios are with built in sensors :)
top row left to right - Lungman dwg-100-9,lungman dwg-1,D5600E,
second row- protrek prg-70 triple sensor,protrek prt-70 twin sensor,sea pathfinder spf-51 twin sensor,protrek prg-110y ABC
third row-sea pathfinder spf-10D, MDA-100, AMW-350 analog moon graph,Hunting timer AMW-705,PAthfinder PRT-50 twin sensor
and my Riseman MIB 2 broken bezel.
more close up pics n detail at my site
Terence's Site - Casio Wrist Watch collection