Casiotron TRN50 module swap into other watch bodies

I’m new to the forum so hopefully this is the correct place to post.

I recently purchased my first Casio – the Casiotron TRN50. It ticks so many boxes for my needs. A digital watch with an auto backlight and solar so I never have to think about charging it.

I’m curious about doing a module swap into a different body (I’ve seen people switch the A series watches into the body of an F91w for example). The watch uses a 3542 module which at the time of writing is only used in…

Casiotron TRN50 module swap into other watch bodies