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.
At lower prices, BP, VR and KS factories also make the replica of Sea-Dweller DEEPSEA D-Blue 116660, although not made with 904L stainless steel, but they are also in moderate quality, they are very good choices for people who do not have enough budget.As the two largest manufacturers of replica Rolex watches in the market, Noob and AR have produced a lot of good quality Rolex replicas for us, they are also the two factories that firstly used 904L stainless steel material in the making of replica Rolex, since the usage of this advanced stainless steel material, the competition between Noob and AR is also becoming more and more fierce.
Pilot is a popular series of IWC, and Pilot’s watch is loved by a lot of Swiss watch fans. IWC Pilot’s watch is divided into several branches, they are Mark series, Pilot, Spitfire and Big Pilot. Among them, Mark series and Big Pilot are most popular, while the Spitfire and Pilot chrono are also highly welcomed. I read some history of IWC before, it said that the design of Pilot’s watch got inspiration from the fighter in the Second World War. So I know why there is an airplane sculpture on the case back of some IWC Pilot’s watch, especially on the Spitfire. Today, the IWC Pilot watch I am going to introduce is a limited edition model, it says “150 Years” on case back, does this mean that this model is produced to commemorate the 150th anniversary of IWC Pilot’s Watch? Anyone who knows can tell me about this. The reference number is IW377725, it is limited 1000 pieces in quantity, while you can get this replica watch at any time, its stocks will last for a long time, Z factory offers us a big inventory. Yes, the replica IWC Pilot watch I am going to talk in the following article is made by Z factory, which also named ZF, some website wrote its name “ZF factory”, whatever, they are all correct names. If have ever read my articles, you will know ZF makes the best replicas of IWC, Tudor and some Panerai watches. Now, this Pilot Chrono 377725 is the latest addition to their big IWC replicas family.
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