Introduction
The Poptone Chronograph LDF-51 is a fun, light-colored watch launched in 2011 by Casio primarily for the Asian market. It features a 22mm x 40mm face, electro-luminescence backlight and a water resistance of approximately 50 meters.
This guide will go over the basics of how to replace the battery of the watch as it is rated for a 3-year life.
Parts
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First, we will want to make sure that you are working in a well-lit space and have an area to catch any of the screws that you will remove
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Make sure to have a small Philips screwdriver like the J000 in the iFixit Pro Tech Toolkit
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Lastly, you will need to make sure your have a pair of tweezers (recommended) or a thumbtack to remove the latch for the battery
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Remove the back cover by unscrewing the four screws at the back using a J000 screwdriver
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Take care not to strip the threads
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Once all screws have been removed store them in a safe place
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Carefully remove the back cover of the Poptone making sure not to flip the watch over
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Carefully remove the sticker covering the back of the battery. We will be saving and re-applying it
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To release the battery from the battery holder you will need to:
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1. Place your tweezers in the latch and pull in the direction of the green arrow. If you do not have a pair a tweezer, use a tack and place the tack between the latch and battery space and pull out
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2. Pull the latch all the way up to release the battery following the direction of the pink arrow
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Be careful not to accidentally knock off one of the ground pins
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Now we can remove the battery from the latch
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The replacement battery type is a CR1216 3V with the OEM battery being a Sony
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Follow these steps in reverse to reseat the battery and complete the replacement
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To reassemble your device, please follow these instructions in reverse order.
