Professional Watch Demagnetizer Tool for Mechanical Watches - 110V Electrical Degausser for Screwdrivers & Tweezers - Portable Watch Repair Kit & Timekeeping Correction Tool Gifts for Men Women

I bought this Watch Repair Demagnetizer Tool as a second hope for fixing my recently purchased, magnetized automatic mechanical watch, which is typically running extra fast as a result. I had checked all my other watches and this one was the only watch that was magnetized. I believe it arrived in the mail like that. . The first demagnetizer/degausser I bought, the white one with the hole through it, didn’t work out of the box. It lit up the red light but that was all it did. It also looked heavily used. This blue one is the only other degausser available at Amazon at a reasonable price, and it's less than half the price of the white one. It comes from the same factory in China no matter which supplier you choose, just like the white ones do. So, I went with the first one that came up in my search with 2-day shipping. On arrival, it looked to be in a New condition. Good start! . If, and once, you manage to uncoil the power lead (!), there are actually zero included instructions on how to use it. YT is your best tutor here but I’ll explain. There is an alternating magnetic field created by the windings inside the box. Put the degausser on your ear and you should hear a faint hum when the button is pressed. If not, it’s a dead one! When you place a magnetized item near the pad on the upper surface of the degausser, the item will vibrate as the device’s alternating magnetic field pulls and pushes on the metal. This alternating field makes the magnetized item switch its magnetism many times a second. If you could shut off the device at the exact point the magnetic field switches from North to South, you’d demagnetize the item. However, you can’t be so precise. There’s another approach, fortunately. The strength of the hemispherical magnetic field reduces with distance until it’s effectively zero. So, if you move the item away from the blue box, the cyclic magnetizing effect also fades until it’s essentially zero. If you pull the item away quickly, the applied magnetic field doesn’t have time to fully decay in the item and whatever the last significant polarity of magnetic field influencing the item was, the item will retain that. Residual magnetism is not what you wanted! However, if you slowly pull the item away from the degausser, the magnetic field it creates weakens slowly around the magnetized item, and the item will essentially be given a weaker and weaker magnetism until, out of the influence of the degausser, it has essentially negligible magnetism. . So, to demagnetize your watch, hold the watch by the strap/bracelet so the watch face or back is just off, and above, the blue plastic, above the rectangular, marked ‘pad’. With your other hand, press the button and the red light will illuminate. Hold the watch in that position for about 10 seconds, and then very slowly start to lift the watch and move it SLOWLY away from the blue box until it’s at arm’s length directly above it. Let go of the button. Do this a couple times and your watch will be demagnetized. . I used my phone to check for the presence of magnetism using an Android app called ‘Magnetometer’. I did first try using a small compass. However, even placing a large, unmagnetized metal object near a compass can deflect the compass needle, confusing the observation. I opted for the more sensitive phone’s sensor. It’s more obvious that something is magnetized with the app. Move the back of your phone over a known magnetized item until the app readings go crazy, turn red and the phone vibrates, then you know where the sensor is located in the phone. Use that point to move closely around your watch. On my Pixel 6a, that was at the lower left back corner, if I remember correctly. I had a ‘red’ high reading around 180 before degaussing, at the 6 o’clock position of my watch face, and after, around 50. 40 to 55 was the average ambient reading in my home. . I did actually first check the degausser and its effectiveness on a small screwdriver, which I had magnetized. I preferred to initially test that rather than my expensive watch! The app was up in the 1500 range prior to using the blue box. Definitely magnetized!! After several attempts, I managed to get the reading down to about 94, consistent after the first try. So, I knew the blue box had worked. I couldn’t get down to the ambient 50 but the screwdriver no longer picked up a small screw. I was happy and proceeded to degauss my watch, with the desired result. . I am very happy that I’ve been able to fix my watch. I’m hoping the next time I use the degausser, it still works. I will update this review accordingly. However, as of now, I’m happy that the fix worked and only cost me about $10. 😊 . I can recommend you try this one and forget the more expensive white one!

The watch demagnetizer worked as advertised. It’s straightforward to use and effectively removes magnetism from mechanical movements and tools. A simple, functional device that does its job without issue.

It does work. My watch was running ~ 15 mins fast per day, and now it is less than a minute. It stopped operating, so I opened it up (two screws) and the problem was apparent ... one wire was disconnected. In operation, the unit vibrates, so that probably broke a poor solder joint. A quick resolder and up and running again. I also like the knot in the AC cord for strain relief.

This si really a must have for anyone with a mechanical watch. I watchmaker may charge $100 just to do what I did for $15.

I’ve read and watched every way to use this properly, and all I can say is that no one actually seems to agree on how to use it. Regardless, I tried every method numerous times. No matter what I do, it doesn’t demagnetize my watch. It’ll vibrate when the watch is hovering just above it, then stops. If it works, then it’s too weak to work on a seiko prospex. Only even bothered with this because local shops refuse to demagnetize without additional services. Useless device with even more useless instructions across the web.

My new-ish automatic mechanical was 2 to 3 minutes fast out of the box. I was hoping not to have to open the case to adjust the speed, and even though I live in a big city, finding a watch shop that would look at it would be a challenge, not to mention cost money I didn't have. After doing a little reading it looked like my watch's problem was most likely magnetization, not an improperly-adjusted spring. I confirmed this with an iPhone app. This tool, which looks like all the others, seemed promising, but to be honest, I had my doubts. I read a couple short articles, and one said before you used it you had to wait until the watch stopped running, which meant a 3 day wait, the others said no wait was needed. I crossed my fingers, plugged it in, and let it do its work, which takes 5 seconds. I did it a second time for good luck. What do you know, after a couple hours I could tell it was no longer running fast, and a few days later it's been keeping perfect time. Quick, easy, inexpensive, and recommended.

I used this to demagnatize a watch that was running slow by 20 min a day. I did this using videos as a reference. I placed the watch on the device and pressed the button. To my surprise the watch hands started spinning wildly. The second hand came of whatever it was mounted to! The watch is useless now. However the watch was useless before my attempt. This was a last-ditch effort as I did not want to take it to watch repair store and be charged half of what the watch was worth. I demagnetized several screwdrivers just see if it worked properly and it did. So I did not feel that it was right to send it back, when it was doing when it was supposed to do. However I cannot rate it highly and I would be very careful using it for watch repair.

No the box does not buzz when used if your watch is like a big heavy dive watch. The light just goes on and off and magic happens. Product arrived quickly new in shrink wrap/ If you buy often on Amazon and do not complain much they send the "good stuff"? TLDR So my 16 year old 4000$ Breitling ran slow and I was late often. Then it started running 2 min fast a day which is useless... So I read and people say fast means magnetized so I find this laughable looking 10$ brilliant device with 100s of glowing reviews. Alway dubious (devious?) I downloaded a pro level free watch accuracy app and of all things a magnetometer to directly measure residual magnetism. The earth measured 40 uT and the watch had a hot spot at 130 uT (or 1.3 Gauss if you prefer). I spun the watch around face up and face down on magic blu box and now NO extra magnetism! Did is work ? Well the pictures show average of +68 sec changed to -44 sec per day or +34 min month and -20min late. Better late than never and easily adjusted. Imagine what Gauss could have accomplished if he did not die in 1855. Download free apps to stand on the shoulders of giants so you too can have a "more gooder" brain lol. watch accuracy app here https://play.google.com/store/apps/details?id=com.watchaccuracymeter.app&hl=en_US&gl=US Magnatometer app here https://play.google.com/store/apps/details?id=com.appdevgenie.magnetometer&hl=en_US&gl=US

It definitely works 👍. Friendly reminder to watch a YouTube video how to use it properly 🤝.

Just received the product today, tried it right always with numerous watches immediately. Conclusion: worked/not worked I couldn’t really tell, I did my best trying it out in different ways. I am still not sure how to use it properly and effectively. I guess I will keep it in case I have a really bad case of magnetism in the future.

Buzzed for a second then just stopped. Terrible product do not buy