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At the heart of the Deepsea’s case is Rolex’s patented Ringlock system, which uses a super hard, nitrogen-alloyed steel central ring to internally support both the extra-thick sapphire crystal and the Grade 5 titanium caseback. While the Ringlock system is largely responsible for the overall increase in the case size of the Deepsea, it actually enables the watch to be smaller than it otherwise would be, had it were to follow a more traditional case design while still retaining its same colossal depth rating.The primary purpose of the Ringlock system is to reduce the amount of stress placed on the case of the watch. As pressure on the watch increases at greater depths, the majority of it gets exerted on the front and back surfaces of the watch. Since the nitrogen-alloyed stainless steel compression ring internally supports both the crystal and the caseback of the Deepsea, the amount of force exerted on the actual case itself remains relatively minimal. Additionally, as the crystal and caseback get squeezed together, with the majority of the force being supported by the internal compression ring, the front and back gaskets of the watch get pressed together, ensuring an extra tight seal.The caseback on the Rolex Deepsea consists of two components: an inner caseback made from Grade 5 titanium, and an outer, screw-down caseback ring that is constructed from Oystersteel (904L stainless steel). With a traditional, single-piece, caseback design, the entirety of the pressure placed on caseback gets exerted on the case of the watch itself, particularly near the threads. By separating the caseback into two components, Rolex is able to redistribute much of the force being exerted on the rear surface of the watch. The outer, screw-down ring performs the sole duty of keeping the inner, titanium caseback tight on the watch, while the nitrogen-alloyed steel compression ring ultimately supports all the pressure being exerted on the titanium case-back itself.

The replica Daytona watch is made by WW factory, we call it WWF. You know, the Hublot Classic Fusion replica from WWF is very hot in recent months, especially JJ factory was closed several months ago, now, only two factories in our market make replica Hublot Classic Fusion watches, WWF and TWF.On the case, WWF uses real forged carbon material, the case has very special prints. The bezel has white and red markers, which exactly echo with the red stitching on black nylon strap. The forged carbon case has a good finish, and the watch feels very comfortable when you wearing it, it has a very light weight. Case back is made of 316L stainless steel that has been blackened.The dial is black and has white printings, central second-chronograph hand is in bright red color, this long and big hand works for seconds chronograph, it has the same function as real Daytona watch. The red hand and “DAYTONA” form a high contrast with the black dial background. Three small dials have real functions, sub-second hand is working on the small dial at 6 o’clock, other two small dials present minute and hour chronograph.Although the replica has the same chronograph function as real watch, it has a thicker case than genuine. If you want the case to be exactly 1:1 replicated from original, which I mean the replica Daytona has the same thickness as genuine, then you need to go with a Daytona replica watch from Noob or AR factory. The Daytona watches from these two factories absolutely represent the most advanced watch-making technology in our market, they also have better case finish and 1:1 original case profile.However, if you want to try something that looks fresh, then this carbon Daytona watch will be a good start.