Casio MQA-100G Re-case (Module 333)

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Casio MQA-100G (Module 333) Re-case


18/3/2023


Hello Casio watch enthusiasts from around the world, I hope you are all well!


Back in February, I wrote a post about a rare watch I had bought second hand from an auction site. The watch is an MQA-100G and in the add it said the watch only needed a new battery. I placed a bid of £10 and luckily won the watch.

The next images are from the actual advert.  


and


and


and


The watch looked very grubby, yet I could see no actual scratches on the glass, case or strap and I thought I would take a little gamble. As I said, I won the watch for £10 (plus £3.65 delivery) and I ordered a battery immediately. A couple of days later, the watch arrived and also the new battery I had ordered. Happy days I thought. So, as soon as I had time, I removed the strap and removed the case back.  I then removed the old battery and all my hopes dreams of a rare and cheap Casio were shattered. The old battery must have been in there a long time and it had leaked so badly it had also rotten the operation buttons on the left, as can been seen in picture number 2 above. I was completely flattened from my discovery but I wouldn't send it back as I bought it from the British Heart Foundation. I wouldn't dream of asking them for a refund, so I cried a bit (lot). I also cleaned the watch to find out that the glass, case and strap were in excellent condition which made me cry a bit more. After cleaning the watch, I carefully put it into a watch case on the chance I may resell it for spare parts at a future date. 
I had been looking for an example of the MQA-100 for more than year, and all I found was the example I have above. The chances of finding another MQA (gold or silver) were slim to non existent, so I basically forgot about the watch and put the sadness to one side. 
Six weeks later, I was changing some batteries that were sharing the box I had stored the MQA and remembered I had it. After changing the batteries in the other watches, I gave each a clean and put them back. Two days later, I was looking at another auction site, when I came across another MQA-100G. The watch was working, however it was scratched and discoloured but it didn't put me off. The seller wanted £17.00 with delivery, so I bought it immediately. My thoughts at this point were to use the original watch case and strap and use the new watch as a donor watch. Yes, it's going to be a nerve wracking experience, but I have done a lot of research and removed mechanical modules from other Casio watches, so I should be prepared. 

Fingers crossed, here we go.


On the left in the picture above is the watch that was damaged by a leaking battery. On the right is the donor watch with the undamaged module. Quite a big difference can be seen in the condition, between the two watches.


I removed the straps from both watches as it is a little easier to work on the watch in one piece. 


I then removed the back of the watch that will be receiving the donor parts.


I then removed the plastic insulator, the mechanical stem and crown wheel.


With the components removed, I can now carefully remove the full module from the watch, leaving the case that is ready to be transplanted into.


In the above picture, the working module is now inside the good case. I also took the function buttons from the donor watch as the originals were badly damaged by the battery acid. Time to replace the stem, crown, battery, battery holder, plastic insulator, alarm spring, rear cover and the strap.


And this is the result of the many hours I spent rebuilding it. I am more than happy. 


As you can see, I have swapped the side function buttons to the clean strap and case and they look awesome. I obviously put the old buttons and other parts back into the donor watch of which I will be keeping. I love it. I am super happy with the results. More than happy to be fair.


The watch isn't perfect, but for being more than a second hand 35 years old watch, it isn't too bad either. Anyway, I am happy with the result of the watch and of a total price of £30.65. I doubt you would find an example of this calibre model watch, in this condition for less than £170. The pictures do not do the watch justice as it is much prettier on the wrist. I think I'm also going to change the strap (at a later date) to either a black plastic Casio design or a tanned leather strap. 


The MQA-100G at home with it's family!


Well that's it for today Guys. 

I hope you have enjoyed reading this post and maybe learned a little.
If you have any questions, please leave them in the comments below.


Thank you for reading.

18/3/23

casiotribe.com 2023




 
Hello, my name is Mr.B. I have started this blog as I have owned and loved (and still do) Casio watches for more than 40 years. I would like to explain the many reasons why I still own and wear a Casio Watch. I want to share details, upgrades and maybe a vintage Casio watch restoration post. I will also show you my humble, but very cherished Casio watch collection . I will also show my beloved and aged GW-M5600, I have owned and worn for the last 13 years. I will also be adding further watches to the collection and adding a detailed post for each and every watch. I also want to show you how to avoid a fake watch and what to look for when purchasing a Genuine Casio from any seller.

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