How to Replace an Armitron 20/1789F Watch Battery
- 1). Locate the hatch slot on the back case of the watch. Place a penny or time in the slot to unscrew the hatch.
- 2). Pull the loosened hatch out with a set of tweezers. Gently remove the battery with the tweezers. Be sure to note the location and position of the battery.
- 3). Wipe the compartment with a cloth before replacing the hatch. Place the new battery in the compartment.
- 4). Place the hatch back in its spot and screw it back in with the coin.
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