the tudur has a thick acrylic crystal that is easily buffed and the citizen is sapphire. It turns out that acrylic crystals predate sapphire by quite a bit. Very often, lines and marks on the top surface of a sapphire crystal are mistaken for scratches but are actually the scratched AR coating, or just AR coating wearing off after … Acrylic, on the other hand, is lighter that sapphire, and doesn’t promote glare nearly as much (sapphire is often coated with anti-reflective coating to reduce glare). As discussed in this watch glass guide, there are three different types of watch glass – sapphire crystal, acrylic, and mineral crystal. Related. Is a sapphire crystal worth the extra cost? Cons – can still be scratched, harder to buff out, costs more . If your Rolex sapphire crystal does shatter, the first thing to do (aside from crying or swearing, or both) is to pull out the crown and stop the movement. So why might you want one – either sapphire or acrylic – at the expense of the other? It’s a laminated mineral/sapphire crystal glass that had mineral crystal … The sapphire crystal is mostly noticeable due to the bluish hue brought by the sun, which is actually the effect of the Sapphire Crystal’s anti-reflective (AR) coating. Quite right. Also, many … Applying one or more layers of AR (anti-reflective) coating will limit this reflection to a very low level. Plus, it’s structurally stronger than acrylic for a given thickness. It’s really hard to break. An acrylic crystal was easy to polish and keep “crystal” clear, but doing so required some maintenance and access to car wax. Let’s explore these two materials a little bit and discover their history, and why one or the other might be better in certain situations. Being a man-made substance, acrylic can be created in numerous configurations and easily worked into such shapes as are needed. The process takes ultra pure (99.9995% and above) aloxite and bombards it with oxygen and hydrogen, then heats the aloxite to 3630 degrees Fahrenheit to liquefy it into droplets. Up until the late 20th Century, most watch crystals were in fact acrylic with the exceptions being mineral glass or expensive sapphire only seen on higher end watches. In many cases, if you're shopping for a vintage watch, an older model with an acrylic crystal will be much cheaper than a slightly newer one with a sapphire crystal. Acrylic? If you’re reading this, you’re probably aware that most upscale watches feature sapphire crystals. As such, it’s very hard to scratch or break. Categories Watch Facts. You can buy stock 007 crystal and bezel, or aftermarket crystal (sapphire) and bezel, these are easy to find. You can get a similar effect from some domed sapphires, but they just lack the warmth and character of acrylic; sapphire is just sort of cold and emotionless. Both top end Seiko watches and Citizen watches have sapphire crystal glass, including the flagship model Seiko SMY161P1 and the new Citizen AT4008-51e watch which are featured below…. Ikuo Tokunaga has made some comments regarding Seiko's use of sapphire vs hardlex that are illuminating. The (NASA qualified for all extra-vehicular activities) Omega Speedmaster Professional has an acrylic crystal for the simple reason that breakage would be intolerable in space. 3 min read. The really red ones are called… rubies. Vintage Rolex watches include acrylic crystals on them and while many may assume that sapphire crystal is automatically better, the plastic glass has its benefits too. Leave a Comment Cancel reply. Sapphire? Hardlex can be found on pretty much every single Seiko watch that is not using acrylic or sapphire crystal. And you probably know that once upon a time, they did not. The Hesalite crystal used in the Omega Speedmaster Professional moon watch is an advanced form of acrylic. So what’s better, acrylic or sapphire Rolex crystals? The Rolex Perpetual was the last watch to possess a sapphire crystal which was not until 1991. The drawback with synthetic sapphire is that its hardness makes it prone to shattering leaving splinters inside the watch. reynaert. Pros of Plexiglass Crystals: Easy to manufacture and manipulate to whatever shape desired Inexpensive to produce; cheap to replace Simple to re-polish It won't shatter … 15 Panda Dial Watches – Our Top Picks From Budget To Luxury; … Which is the right crystal for my watch? However, it is far from scratch-resistant. Rolex’s first sapphire crystal appeared on the OysterQuartz in 1970 and the Submariner in 1981. Well, you make ‘em. 2,201. And I personally do much prefer the Hesalite as well. Twitter; Facebook; Pinterest; Recent Posts. Watch crystals are one of the most visible yet most fragile aspects of a wristwatch. Acrylic, on the other hand, is a sort of plastic first create in 1843. Maybe it’s just a trade name for something else. Nasty…. The Sapphire crystals used in the overwhelming majority of watch crystals are artificially grown (in a boule. As they shifted from tool watches to the high luxury market in the 1970s and 80s, they transitioned to using sapphire instead of acrylic crystals. Plexiglass Crystals The least expensive type of watch crystal is a form of plastic, made of the softest material of all three crystals. A scratch to an acrylic crystal was easy to polish out and the smooth edges give it a warm feeling. If you’re reading this, you’re probably aware that most upscale watches feature sapphire crystals. Case in point: our Krysterna crystal, created using the centuries-old Verneuil Process that successfully produces gemstone-grade synthetic sapphires, including the rare blue sapphire. Sapphire crystals, on the other hand, is a must-have for avid watch collectors as it adds a sophisticated and highly-functional feature to your beater timepiece. However, it is also (like diamonds) brittle and even though it is 4 times harder than Hardlex, it has … Sapphire- Ranking 9 out of 10 on the same MOHS Scale Of Hardness sapphire watch crystals are as close to indestructible as you can find. You do not want crystal pieces to scratch the watch face, or cause more damage inside the movement. The last watch crystal type in the market today is the sapphire made crystal. Acrylic scratches very easily, however, all but the deepest scratches polish out with relative ease. In my opinion, the mineral crystal seems to be a poor compromise between … They still had stragglers though: their most toolish models, the no-date Submariner and the Rolex Explorer, had acrylic crystals until 1989. Pros – harder resistance to scratches than acrylic, can be coated in AR, looks better than acrylic. As the window to your timepiece, the watch crystal (or “glass”) takes some of the hardest hits and is the brunt of everyday wear and tear. That’s why it’s used in dive watches. 2 min read 0 Comments, by Li Wang December 27, 2020 Although it is not as resistant to scratches as sapphire, it is much better than plastic. Name Email Website. Mineral glass is more pure, structurally harder and more difficult to scratch than acrylic. Well, it turns out it’s not. Sapphire Crystal. Mineral Crystal - Clearer view than acrylic crystal, less scratch marks, product a high-pitch sound (sounds like tapping on glass), blue color, water will be divergent when drop on mineral glass Sapphire Crystal - exceptional clarity, scratch free even against the likes of metal objects, easy to chip & shatter, water drop will flock together on sapphire crystal, pink/white color Most scratches, depending on how deep they are, can be polished out with a mild abrasive. The Rohje Sapphire crystal is 8-9 on the Mohs scale, being nearly unscratchable. Beckertime sells pre-owned Rolex watches and warranties its watches directly through Beckertime. The Rolex Perpetual was the last watch to possess a sapphire crystal which was not until 1991. This is the top of the scale when it comes to watch glass, if you are looking at a watch and it has sapphire crystal glass then you have the highest quality glass that you can get right now. Post Nov 02, 2003 #4 2003-11-02T18:58. This usually presents a dilemma, especially for first-time Speedy owners. Acrylic vs Mineral vs Sapphire Crystal: What's the Difference & … 2 min read 0 Comments, by Aleta Saeger December 26, 2020 Comment. Yet, having a crystal that was as clear as glass provided clear viewing, but was easily broken as the watch face is vulnerable to bangs, door jams, and day-to-day knocks that wrists survive but not necessarily watch crystals. Tim Mosso and Fed talk about Hesalite, Acrylic, or Plexiglas Crystals vs. Sapphire Crystals on Luxury Watches. 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