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The chemical composition of synthetic green sapphire includes copper and aluminum oxide, with the copper being the element that is ultimately responsible for its signature green hue. The process of synthetic sapphire production is an expensive and exacting one; however, the additional obstacles that accompany the addition of copper – and the precision required to achieve the right amount of green tint without compromising the strength or clarity of the crystal are likely responsible for its exclusive use on the Rolex Milgauss line of watches.When synthetic sapphire is manufactured, the material has to “grow” over the course of a period of several weeks. Particles attract to one another, forming layers that fuse together to create a dense and ultra-hard substance. The end result of production is a “boule” – a solid piece of synthetic sapphire shaped like a chunky cylinder, which is then cut and shaped to its necessary dimensions.Due to the high costs of production, most watch crystal manufacturers cut their synthetic sapphire boules in a perpendicular fashion, as to maximize the number of crystals that can be created from a single boule. Although this is entirely unconfirmed, it is rumored that Rolex cuts the boule along a diagonal axis to maximize the clarity and strength of the finished crystal. In addition to complicating the cutting and shaping process itself, cutting the boule along a diagonal axis significantly increases the amount of waste, which further adds cost to an already expensive manufacturing process.Despite not making an appearance until just over ten years ago, the green sapphire crystal has quickly become one of the defining characteristics of the Milgauss line. Its pale green tint possesses no functional advantages over a traditional, clear/uncolored synthetic sapphire crystal; however, the green crystal that is exclusively fitted to the Rolex Milgauss 116400GV is one of the primary reasons that individuals seek out this particular reference. The green crystal is something entirely unique to the Milgauss collection and is not something that is found on any other Rolex watch, past or present.

In a word, this replica 116610 has the most accurate dial details. V8 Rolex Submariner 116610 904L Case Last thing is the movement inside, the Rolex Submariner 116610 replica is equipped with a Super Copy Cal.3135, actually this movement has been used in replica watches since 2012. Now, it has been modified several times, updated to have blue steel spring, timing is more accurate, all components of the movement could be interchanged with original Calibre 3135. Auto rotor and movement bridges are also engraved with original Geneva Stripes. After being modified each time, the stability and durability of Super Copy Cal.3135 will be improved greatly. Yes, this replica Rolex just gathers all advantages, the price is also a little expensive, if you are interested in buying one, just leave a comment here and I will contact you through EMAIL. Thank you.Best Replica Rolex YachtMaster II 116681 Two Tone Blue Watch Review Rolex YachtMaster II 116681 Replica .Today, I want to introduce you guys a new replica Rolex that was just published in our market, it is the blue YachtMaster II 116681. This replica is made by J12 factory, it seems like J12 is more active than other factories like Noob in recent two years. Not only J12 makes the most outstanding Audemars Piguet replicas with innovative AP Calibers, but it aslo has started to manufacture good quality replica Rolex to seize the market share that belonged to Noob factory before. Take this Rolex YachtMaster II for example, the case work is perfect, dial details are very close to Noob Rolex level, the rose gold coating is thicker than those golden Rolex replicas published before, almost 5 mils. It is real 18K rose gold plated on stainless steel case. Not easily scratched.Rolex YachtMaster II 116681 Two Tone First, in my replica watch experience, a lot of people asked me whether such types of replica watches have real chronograph function or not, I must say this replica is a real chronograph watch, I mean the chronograph function is working the same as genuine watch. Press the button at 2, the central red chronograph hand will move.