Ronda Powertech Coil Replacement Diy

DIY: How to Replace the Coil in a Ronda Quartz Movement

Ronda Powertech Coil Replacement Diy

One of the common issues with the inexpensive Ronda quartz movements is that the coil is exposed without a cover, and it is located extremely close to the battery cell holder.

Because of this design, when performing a battery replacement it’s easy to slip the tool and scratch the coil. Don’t feel bad if this happened to you. Even experienced watchmakers will admit to occasionally slipping and scratching their tool across the coil.

For that reason, when changing the battery in your Ronda powered timepiece, be extra careful not to touch the coil. If you do, you will likely end up with a broken watch. Disappointment quickly sets in after installing a new battery only to find that the watch isn’t running like it used to.

Ways to deal with a broken Ronda quartz movement:

Luckily there are ways to fix a Ronda powered watch with a broken coil. But don’t get to work just yet. It should be noted that just because you installed a brand new battery, it doesn’t mean that the battery was good. Always try another battery or at least test your battery before jumping to conclusions that the movement is broken. After you make sure the battery cell is not the issue, you can consider your options for repair or replacement.

Many of the entry level Ronda quartz movements are extremely affordable compared to other movement options on the market. For example, you can get a Ronda 515 for under $10 USD – almost the price of a pack of new batteries! This low price makes entire movement swapping a viable option.

But replacing the entire movement is also a task for more advanced watch tinkerers, so you might not be ready for it. Before removing the entire movement and dial from the watch case, and before pulling off the hands to swap for a brand new movement, you can try to replace the coil itself.

Where to buy a replacement coil?

You can find replacement coil parts on eBay or from watch parts resellers. Another idea is to purchase a brand new replacement movement, carefully extract the new coil from the new movement and install it in your watch. If the new coil still doesn’t do the trick, you can try to put the coil back in the new movement and swap the entire movement in your watch. Just be careful not to damage the coil in the new movement you purchased. Not saying this is the best option for you, but just an idea.

How to replace the coil?

Check out the video below that shows how to replace a Ronda quartz movement coil from start to finish. This specifically shows the Powertech 500 family of movements, but the 700 series should be similar and it will give you an idea of how general coil repair works for basic movements.

Do this at your own risk. If you try this at home as a DIY, please remember to come back and share your experience in the comments below!

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