Fuji made the following cameras:
GW680III and GSW680III
GW690III and GSW690III
The GW cameras had the 90mm f3.5 lens and the GSW had the 65mm f5.6 lens.
They used the same body and just changed the film gates and exposure counters.
6x7 gets 10 shots on a roll of 120
6x8 gets 9 shots on a roll of 120
6x9 gets 8 shots on a roll of 120
The cameras are basic and very easy to use. The lenses are super sharp and contrasty.