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One tube of PolyWatch can be used for approximately 10 watch crystals (depending on how much you use and how deep the scratches are). What Polywatch (or any other similar product) does is to use a super-fine grit to create enough friction to allow a tiny amount of plastic to melt into the scratches and fill them in. The short answer is that yes, Polywatch works to remove scratches from watch crystals. Note, however, that this only applies to watch crystals made of plastic, hesalite, or acrylic. Polywatch will not work on sapphire or glass crystals as the abrasive material is not able to grind down the glass as it can with plastic. If you use Polywatch on glass crystals, it can instead cause scratches. How does PolyWatch work?
Polywatch is especially great for superficial hairline scratches as it doesn’t require a lot of grinding of the plastic material on the crystal. However, PolyWatch also works well for deeper scratches, although you need to apply more pressure and polish for a longer period of time. PolyWatch is a cream that contains a very light abrasive material that will gently but effectively grind down your acrylic/plastic watch glass crystal, resulting in a scratch-free finish. Usually I use masking tape around the bezel and edges to protect them. This is very important for gold-plated or filled watches as the chemicals tend to get underneath the plating and react with the base metal of the case.I have lenses scratched by my glasses. Both in the upper middle of the lens. You mention blur... and VR headsets are already blurry. Will using this just cause worse blur so that trying to look through the scratches might be better? old t-shirt .... moisten lightly with some finger's worth of water until it results in a "wet-spot" (insert dirty joke here) ... then a bit of the polish (fingernail sized drop) ... then I gently work the mustardy-paste into the wet spot until all the excess is in the fabric (about 2-3" across). Never miss a watch. Get push notifications for new items and content as well as exclusive access to app only product launches.
I will sometimes, depending on the watch, use a coarse as 400 grit to start - all done by hand and you do need to be careful not to overdo it. It looks worse before it looks better: Plastic watch glasses scratch very easily and replacement is not always possible, particularly where the case is plastic. Polywatch slightly disolves and grinds down the surface of the plastic watchglass to smooth the edges of the scratch and fill the gaps with dissolved material. Polywatch alone does remove the tiny scratches and gives a nice overall finish, sort of like a coat of wax on a car finish.
It looked very similar to your watch. It took me about 45-60 minutes and I was rubbing the crystal using polywatch really hard using the cloth that came with the polywatch. Would never rub it that hard on a hesalite. Generally, polyWatch fills in the scratches. PolyWatch is a repair tool for watch scratches so the blur is a side affect. I have not tried using polyWatch on my lenses so don’t take my word for it but from what I know it shouldn't intentionally cause blur. Some toothpastes might work. We used to use Gleem over here when I was a kid. Don't know if Gleem is still sold. It was pretty abrasive. Such a toothpaste might be harsh on a watch crystal. I haven't encountered any similarly abrasive toothpastes in some years. not to diss polywatch ... but I bought a bottle of "generic poly carbonate headlight polish" ... big ass bottle for 0.99 ... its the same - works the same The polishing process is the same no matter what you are polishing typically, so an acrylic crystal, metal, etc. makes no difference to what the process is on the most basic level - replacing larger scratches with progressively smaller scratches.
Polywatch is so mild an abrasive I have never bothered to tape off anything and I just make sure to keep the cloth with the polish on it on the crystal alone and not rub the Polywatch on the remainder of the watch.
Article size of the abrasive material so that you correct the larger scratches first and then get finer and finer to finally achieve a high shine with the final grit size....I would be skeptical about a single paste, unless perhaps the paste is made up particles that break down into smaller and smaller particle sizes as you work it into the crystal.
As with all polishing, move through grits from coarse to fine, making sure that you remove all of the previous marks before moving on, and finished with Polywatch. Please excuse the dust...I'm curious about Polywatch, or any single product for that matter for a full crystal polish. I assumed that to get a good polish (ranging from scratch elimination all the way to a high shine), you need to progressively decrease the Polywatch is for removing fine scratches so the scratches have to be minor, or it's used as a final polish. Trying to remove large/deep scratches with it is not really the proper use. If the scratches are deep enough, you will just make them shiny rather then remove them. Using Polywatch on this for example, would be mostly useless: i just use a generic "polycarbonate headlight polisher" from pep boys or so - I had sitting around in the garage ... works just as fine ... never had a scratch that I couldnt get rid of
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