CASIO G-SHOCK ( GSHOCK ) GA-2110 GA2110 New Coin Cell Button Watch Battery * 2

Step 1 Locate your CASIO G-SHOCK Series and Module numbers. These details are stamped into the CASIO G-SHOCK backplate. If you are in any doubt just flip your watch over and jot down the numbers or better still take a quick picture and save it for future reference.

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