Flipper can read my work badge 125khz but can't read a datawatch (thick) badge that should also be 125khz

both cards work on the same hid reader any thoughts on what the problem is?

What’s the key type? There’s a known issue with some Indala cards not being read correctly

how would i go about telling that?

Assuming both of your cards are of the same type (and they probably are if they’re using the same reader), scan the one that is readable with the Flipper, and the type will be displayed on the screen

they are two different types

The type I’m referring to is not the physical appearance of the card but the chip on the inside. There can be multiple different card form-factors for the same chip. If both of your cards work on the same reader, it most likely means that the chip on the inside is the same.