Vintage CASIO G-SHOCK DW-6100 Thermo Sensor DIGITAL Module 974 - 1985 Work | eBay
Casio G-shock DW-6100 Digital (3130 | eBay
Casio 984 Module - DW-6100 Gshock test screen, function demo & watch set-up - YouTube
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