Youniker 3 Pack Universal Round Watch Screen Protector Tempered Glass, 37mm Generic Watch Screen Protector Foils Glass 9H Hardness 0.3MM Slim, Anti-Scratch, Anti-Fingerprint, Bubble Free (37MM)

Update! So after three days it's finally happened I brushed my arm on the fridge door and it touched the edge of the glass watch protector at the 12 O clock marker giving an instant chip to it. So that's one of the three protectors in the trash.I'm going to get a different watch protector because as things stand I don't think I will get a month out of the last two remaining glass Shields.Youniker needs to check the protectors and see that the edges are a major flaw. The rounded edges need to be fixed so that the rounded side is up and the adhesive side be completely flush against the watch crystal as it is now dirt gets collected all the way around in the edges of the glass protector and the watch crystal it's a little unsightly to look at and needing daily washing or it collects dirt and grime.It's rounded off angled to the wrong side outside and up basically the edge of the glass is like a micro cliff overhang I imagine the smallest bump to that edge will be an instant chip or crack to the glass protector very bad quality control. The idea of the glass protector being rounded off at the edge is a good idea as long as the wide side is the adhesive side and the less wide side is up but nope on this it's upside down wide is up narrow is down making the shield weaker and now very prone to a chip or crack if the edge gets bumped. I received three Shields and all three are exactly the same.I think the size is perfect no problem with that.It's perfectly clear so that's good.But it's useless with the edge angled up and out rather than down and flush against the surface I can easily catch my finger nails in it on my watch crystal.

The Description stated 40mm. This is not even close to being a correct fit for my $800.00 40mm watch. Probably closer to 44mm or 45mm. I will be returning it, and i will not be ordering from this company again. I've read to always order a mm smaller, I would have had to order a 35mm crystal protector for it to fit properly....I am very disappointed!

Everything from Amazon is good

These are great screen protectors I have ordered them for three different watches the size has been perfect every time the screens Are crystal clear and the suction cup that they send is a real handy item to help you line up the screen guard perfectly. Their service is absolutely top notch. Would recommend These every day of the week and twice on Sunday.

I really like these for watch face protectors, and I wouldn't wear any watch I care about with one of these on the crystal. However, be sure you order the right size. My last watch was supposedly 42mm but that included the bezel. The glass is actually only 38mm. You want these to cover the glass, or crystal, only. So if you measure the crystal first and order the right size you should be OK. Clean the crystal with the wipe provided, dry with the other wipe, and apply. Simple and effective.

Offers great protection from damage to your crystal. The problem is if your crystal protector touches a hard metal surface it may crack. This happened to me multiple times! I feel the tempered glass should be made a bit thicker.

Works perfect for my Invicta Sea Hunter. The face is 42mm and I used the 41mm protectors. You have to be very precise when placing the 41mm ones. 40mm would probably work if you're not too picky about the minor space around the edge. 41mm is a perfect fit for 42mm face especially if your face is slightly beveled at the edge.

These appeared to be great but were huge on my 40mm watch. Soo disappointed that my $ was wasted and my watch is still unprotected