To install it, take off the bezel, push the old insert out from behind. Push the new insert in place. Put the bezel back on. It's an easy job. This bezel insert only fits the 1163 case. There is another seller on Ebay with inserts for 11630 cases, but I have not tried them.

Good luck!

Regards
Jarl
www.classicheuers.blogspot.com

: Hi Jarl,
: I've been very tempted to buy one but was waiting to hear if anyone
: else had bought and installed one. I'd like to ask a few
: questions, if you don't mind. Do you have to scrape off the old
: bezel "insert" or do you simply insert over it? Is is
: attached by double sided tape? What are they constructed of and
: does the replacement insert cover up the tritium dot in the
: "12" position on an MH insert? I appreciate your time
: in responding to these questions.
: Thanks,
: Steve