Casio G-Shock 800D 7V watch "protect new model" Questions

...I have model 2701 (AMW 320R) watch. Battery needs changing. Once back is off how do you get under protective barrier to get to the battery in order th change it for a new one? Yep, here it ...

...model blank face after new battery installed by a jeweler What kind of battery did they put in it?? G shocks are powered by a rechargeable solar battery!!! Should not have been replaced unless it was ...

...model worn by Muslims) and also the direction of prayer. Guys, I just realised that there is a mark called AC on the back of the module next to a gold small circle pad. Once you change the battery, ...