rovermark
604
Thanks Phil
There is a difference in thickness between the 392 and the 312 as you can see in this picture (392 is towards the top):
As far as having my eye on anything else, I have to admit that I would really like one of the PAM 173 travel alarm clocks. Unfortunately they are no longer available thorough the boutiques so it is going to take a bit of effort to track one down. Here is a picture of one I found on the internet: