Casio 984 Module - DW-6100 Gshock test screen, function demo & watch set-up - YouTube
1992 Casio G-SHOCK DW-6100 (974) Thermometer Japan T 45mm watch - READ BELOW | eBay
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
Amazon.com: Hstrap Premium Silicone Watch Band Quick Release Replacement Watch Bands Strap for Men Women Compatible for Casio G-Shock DW-5900 DW-6100 DW-6695 DW-6900 G-6900 GW-M5610 DW-5600E GW-6900 : Clothing, Shoes & Jewelry