I've heard that the GCE Game Time watches (Game Time, Arcade Time and Sports Time) use the same chip as the Nintendo G&W's (I assume the simpler, small ones). If that's true, how hard would it be to get those dumped? (Aside from finding them) I assume it's a blob, being a watch, is it simple enough to get to those?

https://www.handheldmuseum.com/GCE/GameTime.htm