You can't replicate its LCD or UI with some "generic" digital watch movement. Fakes have a reimplementation of the Casio module and many do output CASIo. The

You can't replicate its LCD or UI with some "generic" digital watch movement. Fakes have a reimplementation of the Casio module and many do output CASIo. The fakes are mass produced. There are a few identifiable families of fakes with particular errors in their production.