I have had both. There are some differences but they are minor. My 201 is a replacment for a 101 that leaked. The 201 has been more durable or maybe I am just smarter.


With a good battery,the 201 is good for about 24 hrs of use.

The weak point on both are the pins for the strap and the screen. If you find a silicone case for it, let me know.