Resurrected my original G-Shock, a DW-6100 that I got in 1992. Wore it until the strap broke and bezel started breaking down in 2001. This group inspired me to get it going
Casio G-Shock DW-6100 Module (984) Made In Japan Original Vintage Gold LCD & Gold Button | Casio g shock, G shock, Gshock watch
For Casio G-shock Series PRW-3100/6000/6100/3000 Watch Band Lightweight Plastic Steel Composite Strap Waterproof Special Funds - AliExpress
User manual Casio CE-6100 (English - 104 pages)
QT-6100 - Casio4business.com
1992 Casio G-SHOCK DW-6100 (974) Thermometer Japan T 45mm watch - READ BELOW | eBay