Get up close with Replica Greubel Forsey watches Double Balancer Sapphire
Double balance, constant force, full sapphire.
Following the double tourbillon in 2016, only the second watch with a sapphire crystal case is the only one from Koppelforth. It is mechanically the same as the Double Balancier à Différentiel Constant. It is essentially a nerd movement beautifully decorated in the case. From the material of the day.
This means that this watch is equipped with dual balance wheels, which are installed at a slight tilt. Due to their position, each balance wheel is always in a different but complementary position relative to the other. In turn, the speed of each balance wheel is averaged by the differential connecting the two; in short, they compensate for each other's position errors. Therefore, the time displayed on the dial is the average of two complementary balance wheels, which has better timing performance than a single balance wheel.
Half of the dial is cut away to reveal the double balance wheels, each of which is fixed by a polished circular steel bridge. Between the two is the differential, which is basically a bunch of gears and springs. It is held in place by an H-shaped bridge, the "H" bridge has a kink, and the back is reflected by a similarly shaped bridge.Replica Jacob & co astronomia
The reason for the springs in the differential device—one spring visible at the front and the other at the back—is to provide constant tension to each differential gear to prevent them from slipping. In short, it is similar to a limited slip differential in a car.
Each gear is connected to one of the escapements in turn, and together they average the speed of the two escapements.
Although the mechanics on the front are impressive, the bright blue dial is also impressive. It is made of mirror-polished pure gold and has undergone a chemical blue treatment to create a smooth, almost luminous blue. The tone of the dial is so eye-catching, and the number is almost a shame, but fortunately, Goppelfort offers other models with the same dial finish on a larger area.
Everything in the front has been gorgeously finished and executed, which is a typical feature of Gao Peifu Si.cheap mens watches
In addition to the dial, the hands are also solid 18k white gold, and their pinions are located on black polished and beautifully angled steel bridges. All wheels have a round texture with polished spokes, the screw heads are mirror polished and reinforced with chamfered grooves and rims, and the jewels are set in gold casings. The list of decorations continues.
The same is true on the back, which is dominated by a full board, with a light gray ruthenium coating on its matte top surface. Although the color of the plate is restrained, the workmanship is fine. Even the bottom of the lower splint of the balance wheel is mirror-polished.
Swiss made (ironically, many sapphire cases used by Swiss watch brands are not the case), after 900 hours of processing, the diameter of the sapphire case is 47.25 mm, while the diameter of the gold version is only 43 mm.fake watches for sale
The increase in diameter is due to the change in the structure of the case, which is essentially a sandwich, held together by long screws extending from the bezel to the back of the case. All screw heads and nuts can be seen on the front and back, as well as transparent washers to ensure 30m waterproof performance.
Although the additional 4 mm sounds like a huge increase in size, the sapphire case does not feel significantly larger, partly because of the transparency of the case. And since the ratio of diameter to height is now larger, it feels thinner, which helps the case feel smaller. The case is also slightly lighter than the typical precious metal Koppelfors, which is not a bad thing, as they tend to be heavy.
Unusually, the crown is also made of transparent sapphire. Most watches with a sapphire case have a metal crown, making it easier and cheaper to produce.
Despite the adoption of a new case structure, the form of the case is the same as that of a typical Gaopefuss. This is most noticeable in the lugs, which retain the same slight concave surface on the brand's normal case.replica Audemars Piguet Royal Oak watches
Therefore, the case is not as luxurious as most sapphire cases, as they usually appear on watches with unusual case shapes, such as the Hublot MP-07. On the contrary, the role of the sapphire case is to frame and lift the movement. Its transparency means that the case recedes visually, bringing out the eye-catching blue of the dial, as well as the details of the frosted board and back.
Because the structure of the Gaupe Fortune movement is quite traditional, there are not many mechanical devices visible from the side of the transparent case. Therefore, the movement is located in a ring finished in linear matte, and then engraved with the principles of the brand, such as "unique" and "exclusive".
The back of the rubber strap is printed with a detailed description of the Goppelfort philosophy. Although the rubber strap is very practical and a must-have choice for a watch with a sapphire case, it feels a bit incompatible with the movement.
Considering that Koppelforth rarely uses sapphire cases in its product line, this material is still novel. Especially because Gaupe Fuss is a more traditional high-end watch manufacturer, in stark contrast to the modern watchmaking industry where other brands prefer sapphire cases. Porsche Design replica watches
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