TECHNOLOGY
The Watch Case
The Watch Case
It has always been one of our major goals to design a watch case with superior resistance against scratches, knocks, and general wear, but the materials commonly available, including the rather soft titanium definitively do not feature the necessary characteristics... |
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The Gasket System The main operating elements on a chronograph are the crown and the pushers. The crown is used to set the correct time, and in case of a mechanical wristwatch to wind the movement. The pushers are used for starting, stopping, and resetting the chronograph functions of the watch.
These operating elements basically consist of the visible piece of the crown and chronograph button and a shaft which connects them to the movement.... |
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The Magnetic Field Protection
The Case inside the Case – The Magnetic Field Protection
Every Damasko watch features an important technical detail which is not visible at first sight but has a major influence on its accuracy under harsh conditions – the anti-magnetic cage.
Only very few mechanical pilot’s watches are equipped with this feature. The unique inner case consists of the dial, the movement retaining ring, and a second back... |
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The Patented Crown
The Patented Crown
During the development of our new crown we had to face the fact that literally every current crown system that works on a basis of a decoupling screw-down crown has two major weak spots that may sooner or later result in a defect.
The reason for that is to be found in the positive-fit coupling elements of the crown. They often consist of a fairly weak hexagon bolt which with1mm width across flats. ... |
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The oil-free escapement For over 100 years the Swiss Anchor Escapement has been the most precise and reliable escapement for wrist- and pocket watches. In order to work properly it needs to be oiled regularly on the palettes and on the teeth of the escape wheel and in addition to that, watch manufacturers recommend to service a mechanical movement every 2-3 years by disassembling, cleaning, and lubricating it. An insufficiently oiled or even dry escapement ultimately results in bad accuracy or even worse, in worn out parts.... |
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Our bezel constructions
On the following pages we would like to give you a rare insight into our currently used bezel constructions (patent pending). We would like to illustrate how we achieve an ultra precise and reliable bezel action. CAD/CNC designed and engineered, hardened components guarantee that our bezels ratchets will never wear out, or become loose. Get a view on bezel parts that even Damasko owners will only hardly ever see
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Stainless steel
Due to the fact that we are well known experts on stainless steels and their metallurgical aspects, we are often approached by watch enthusiasts and customers from all over the world. And more or less all of them ask the same questions: Which steel used for watch cases offers the highest corrosion resistance, and which one features the greatest hardness? Which company offers the best choice?
Although it is possible to answer this question in one sentence, we feel that it might be of greater interest to compare the most commonly used stainless steels with each other, including one of our steels.... |
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EPS Spring Isochronism is the essential element of any chronometry based on oscillations of whatever kind:
the oscillations of a pendulum, a quartz crystal or a balance. The more regular the oscillation occurs, the more regular is the movement rate and the better can it be adjusted for best possible accuracy. If a control mechanism oscillates fully regularly, it is called isochronous (Greek for “occurring at equal intervals”). In this context, isochronism of the classical balance on transportable mechanical watches has proven to be the greatest challenge for watchmakers and engineers. Major interference factors include primarily
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Micro ball bearing From the beginning, ease of servicing and durability were in the foreground for the design of our new calibre A35. For this reason, we decided at a very early stage already to place the complete winding mechanism on lubricant-free four-point micro ball bearings. The result of this is that frictional losses are reduced to a minimum.
Also for the design of our rotor fabrication for various calibres, it was our objective to make the rotor bearing lubricant-free, quiet and shock-proof, but also to keep the tilt angle as small as possible.... |
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Rotor In the course of the development of our self-manufactured calibre A35, for which also a new winding concept was worked out, the familiar “double eccentric winding system” was created.
In order to be able to produce this in an optimal way, both from a technical point of view as well as in terms of quality, we decided to produce all important key components ourselves.... |
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Damest-coating In everyday life wristwatches are subject to hard use, which unfortunately can make marks on the case. Damasko has set the goal of manufacturing watches which brave the perils of everyday life and serve as a time keeping instrument for years without acquiring marks to show the age of the watch or reveal the hard life of the owner. The Damest coating is another innovation to support this goal. ... |
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Double-eccentric ratcheted winding system Today, a self-winding automatic is one of the standard characteristics of most mechanical watches. Nevertheless, many of the watches have a winding system which only winds on one side. This means that half of the potential distance remains unused.
With the construction of our winding systems, a great level of importance is placed on ensuring that no idle speed is generated, keeping the backlash as small as possible and increasing the working life..... |
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DAMINOX® The "DAMINOX®" method developed by us is a carbon diffusion method for austenitic stainless steels.
DAMINOX® is not a coating method, but a surface hardening method in which large quantities of carbon are introduced into the workpiece surface by diffusion. After treatment, the diffused carbon is dissolved in the matrix in a finely dispersed form, by which a strong lattice distortion is created. This lattice distortion, which goes hand in hand with high internal compressive stresses, results in an increase of the surface hardness and thus to an increased resistance to wear.... |
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