I've always admired the first Frogman but never moved forward with purchasing one 'till I was offered one by a local G-Shock enthusiast. The piece has had a hard life as the crystal has a small scratch and bezel is heavily scared(I am in the process of sourcing a NOS bezel). Despite its age and hard use, it is completely functional as is the green back light bulb and my watchmaker successfully tested it to 10bar/100M. There is something to be said for these vintage screw back G-Shocks and screw back G-Shocks in general. 17 years old, works like new and still water resistant. I have been wearing it proudly since I took possession of it a couple of days ago and plan on wearing it during all activities including diving as it was it was intended.