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Sinn Technology
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  1. questionWhat does the Ar symbol mean on certain Sinn dials?
    The "Ar" symbol indicates that Sinn has injected one or more inert gasses into the watch case. This gas is injected into the watch case once production is completed, and help to create a dry, corrosion-free environment. In most Sinn watches that feature inert gas, a copper sulphate capsule is ...

  2. questionWhat is the technology behind the Sinn DIAPAL?
    Sinn filed patents for the DIAPAL technology several years ago, and set a new market trend. This new technology has been a topic of great discussion on Internet forums over the past two years. Watches require service every few years because traditional escapement wheels and pallets need oil lu ...

  3. questionWhat is a copper sulphate capsule?
    Sinn uses copper sulphate capsules to absorb humidity that may be present in the watch case. These capsules can help prevent fogging of the crystal when moving from hot to cold temperatures (or vice versa), and are part of Sinn's "Dry Hold" technology to provide a more stable environment for t ...

  4. questionWhat is the Tegiment process used on Sinn watches?
    Standard steel used by most watch companies has a hardness of between 200 and 240 HV (Hardness Vickers is a common scale used to measure material hardness). The Tegiment layer has a hardness of 1,200 Vickers which is five times harder than standard steel. The Tegiment layer is not a coating ...