Crush watch case removal

[cjdoesreef]

I was wondering if anyone had any information on how to remove the back off an Oakley crush watch. I understand they are hard to remove and break easily. Does anyone have any secrets or advice? I believe I just need a new battery.
Thanks in advance.

 

[Sun & Sand]

This post may be relevant:
Oakley Watch Battery Guide

 

[cjdoesreef]

This post may be relevant:
Oakley Watch Battery Guide

Thank you.