This G-Shock Adapter fit most of the G-Shock Models with 16mm lug. It has been done and tested with the following models:
GD-100, GD-110, GD-120, GA-100, GA-110, GA-120, GA-140, GA-300, GA-400, GBA-400, GA-700, GDF-100, GBA-800, GBD-800, G-7900, DW-6900, GW-6900, G-6900 , DW-6600, G-7900, DW-5600, GLX-5600, GAX-100, GLX-150, GR-8900, GW-9400, GWF-1000, GX-56, GG-1000, GWG-1000 and MORE!
Some of them are not compatible at all. if your watch is not listed above, feel free to message me. Send some pictures of your watch. I will tell you if its compatible or not.