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How to Change a Battery in a Rotary Watch

Updated February 21, 2017

The Rotary Watch Co, founded in Switzerland in 1895, grew in reputation through the decades as a manufacturer of high-quality Swiss-made timepieces. The button battery in a Rotary watch will last about a year, on average. By following these steps you can do the job yourself with a steady hand and a jeweller's screwdriver.

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  1. Place the Rotary watch face down on a padded surface such as a folded blanket to prevent scratching the crystal while you work.

  2. Locate the small notch on the back of the watch opposite the stem.

  3. Slip the flat edge of the jeweller's screwdriver into the notch and gently pry up the back cover until it pops off.

  4. Remove the screw securing the battery cover. The battery underneath is a round button.

  5. Check the battery polarity in the compartment, The positive (+) terminal should be facing downward.

  6. Take the battery to a jewellery store or electronics store such as Radio Shack to match up with the correct replacement.

  7. Insert the new battery in the Rotary watch with the positive side facing down.

  8. Reattach the battery cover with the screw.

  9. Align the cover with the Rotary watch case, making sure the notch is opposite the stem, then snap the cover into place until you hear a solid click.

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Things You'll Need

  • Rotary watch
  • Replacement battery
  • Jeweller's screwdriver

About the Author

James Clark began his career in 1985. He has written about electronics, appliance repair and outdoor topics for a variety of publications and websites. He has more than four years of experience in appliance and electrical repairs. Clark holds a bachelor's degree in political science.

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