The Oyster case was an innovation of its time when it was developed by Rolex in 1926. It ushered in a brand new era of durable, everyday watches that could be worn during almost any activity without damaging the internal movement. The Submariner takes the design of the Oyster case one step further and increased its waterproofness up to 300 meters/1,000 feet.The ref. 16613 features a standard 40mm case in highly corrosion-resistant 904L stainless steel. An 18 karat yellow gold screw-down crown and unidirectional bezel accompany the case, giving it a desirable two-tone design. The dial and bezel set are most commonly available in either black or blue, with some examples of the gem-set “Serti” dial (either champagne or silver in color and set with diamonds and blue sapphires) also available on the secondary market. Depending on the year produced, the ref. 16613 also features either a holes or no holes case and either Tritium or LumiNova used for the luminescence on the dial and hands.Regardless of the year of production, all two-tone Rolex 16613 Submariner watches are powered by Rolex’s trusty Caliber 3135 automatic movement. The 31-jewel movement beats at a rate of 28,800bph and includes a date complication, a 48-hour power reserve, automatic winding technology, and a sophisticated Breguet overcoil balance-spring. The movement has been a fixture in many Rolex wristwatches for more than three decades, and for a good reason. The Cal. 3135 has proven itself to be an accurate and robust movement, which can deliver decades of reliable performance if properly maintained.
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.
When we talk about 007 series movie, if you are a watch fan, you will know that James Bond usually wore an Omega watch, in every 007 movie from 1995 to 2018, James Bond would have one Omega watch. Today, the replica watch I will introduce is an Omega Seamaster Commander limited edition model, the genuine watch was published on July 5th, 2017, it was released to commemorate the anniversary of James Bond 007 Series Film.The replica is made by UR factory, it is currently the best version and has improved all defects of previous editions. The replica uses a clone Cal. 2507 automatic movement, correct case back engravings, each watch has an individual limited number engraved on case back.Compared with genuine watch, the replica has two big difference, first, the helium valve button is not working. If you guys like this watch but need to do a long-term diving operation or engaging in oil exploration, I suggest you buy a genuine watch. Second, due to cost and technology limitations, the replica can not use the same co-axial movement like genuine. But the factory tried their best to make this clone 2507 movement look like genuine caliber in outlook.
IW389001 is in whole black, including the dial, it is the model I prefer. While IW389002 has a green dial. There is one little difference between the two watches on the dial, that is IW389002 has a red circle on the center of the dial to display 12 hours. Two subdials are positioned at 12 and 6 o’clock. The subdial with a small red hand is small seconds subdial, while the subdials at 12 o’clock have two small dials in sunken design, the outer one is 60-minute chronograph counter, while the inner one is 12-hour chronograph counter. All hour markers are in white, the markers at 3, 6, 9 and 12 o’clock are applied with luminous material, they will emit a strong green light at night.Compared with the green dial of IW389002, I like the black one of IW389001 more. It has a match of white details in blackground, which greatly increases the dial readability. Black looks cooler too.
The dial has a lot things worthy of talking. First it is about the high readability. White dial has thick black Arabic numeral hour markers, the minute markers are also in black color, it is very convenient for the wearer to catch time from the dial. The big triangle marker at 12 and hour markers at 3, 6 and 9 are applied with Swiss Superlume material, so in dark condition, you will find these four markers will emit a strong green light, this improves the dial readability. There are three working subdials, they are sunken from the main dial. Each small dial works well and features a blue hand. Among them, small seconds subdial is at 9 o’clock, 30-minute chronograph counter and 12-hour chronograph counter are positioned at 12 and 6 o’clock repectively. At 3 o’clock, next to the hour marker, there are two square windows, the left window is displaying current day, while the right window is showing date, both have black font. All hands on the white dial use blue color, not only eye-catching, but also give your eyes fresh outlook.
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