How do you change battery for casio 1174 CMD-40?

I like these little RC IR watches. They're great fun!!! For this tutorial, you will need....

• A small Phillips heads screw driver
• A pin (or needle)
• A replacement CR2032 battery

1. Remove the 4 screws from the back of the watch
2. Carefully remove the back plate, do not damage the delicate rubber seal
3. Carefully remove the delicate rubber seal
4. Use the pin to remove the small rubber block from the battery cover clasp.
5. The pin should then be inserted in the gap of the white plastic lug, where the rubber block was removed.
6. Use the pin to gently pull back the clasp of the battery cover.
7. The battery cover will then open with a 5mm gap approx. It does not need to be removed.
   
8. Use the screwdriver to remove the battery.
9. After the battery has been replaced, just follow the instructions backwards.