![Amazon.com: Casio G-SHOCK Mudmaster GG-B100-1A3JF Bluetooth Mens Watch (Japan Domestic Genuine Products) : Clothing, Shoes & Jewelry Amazon.com: Casio G-SHOCK Mudmaster GG-B100-1A3JF Bluetooth Mens Watch (Japan Domestic Genuine Products) : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/61sux4qklyL._AC_UY350_.jpg)
Amazon.com: Casio G-SHOCK Mudmaster GG-B100-1A3JF Bluetooth Mens Watch (Japan Domestic Genuine Products) : Clothing, Shoes & Jewelry
![Amazon.com: Casio G-Shock Mudmaster GG-B100-1A9JF Mens Watch (Japan Domestic Genuine Products) : Clothing, Shoes & Jewelry Amazon.com: Casio G-Shock Mudmaster GG-B100-1A9JF Mens Watch (Japan Domestic Genuine Products) : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/71igz-uGfpS._AC_UY900_.jpg)
Amazon.com: Casio G-Shock Mudmaster GG-B100-1A9JF Mens Watch (Japan Domestic Genuine Products) : Clothing, Shoes & Jewelry
![How to replace the original strap of the Mudmaster GG-B100 with a velcro strap (3 variants). You need a bread knife (stable and stiff), a screw driver Torx T10 and an old How to replace the original strap of the Mudmaster GG-B100 with a velcro strap (3 variants). You need a bread knife (stable and stiff), a screw driver Torx T10 and an old](https://preview.redd.it/how-to-replace-the-original-strap-of-the-mudmaster-gg-b100-v0-nditrvtv6cna1.jpg?width=640&crop=smart&auto=webp&s=3ff52fbea058bcd58dc920c4a58cd3d1d4545fcf)