Power reserve display
What is the power reserve display? Power reserve display, also called energy display. It is usually on the dial there is a power reserve display window, also known as energy display window. Indicate the mechanical clockwork residual power (winding tight degree) function, called the kinetic energy storage instructions or power instructions. Usually a fan-shaped window on the surface, or a pointer to indicate the margin. Mechanical watch will show how long you can run before winding, quartz watch shows the battery level. Originally the earliest motive stockpile appeared on the Nautical Clock hundreds of centuries ago when ships sailing at sea relied on time-honored sailing beacons to measure longitude and ensure sailing safety. Due to the timepiece is powered by mechanical devices, if there is not timely winding, it will happen when walking is not allowed to stop or even go. As a result, watchmakers began looking for a device that can visually display energy. Working principle Power reserve shows the working principle is that by measuring mechanical clockwork spare power (winding volume of the degree), the watch's energy for intuitive instructions. This indicating device, however, usually also has a fan-shaped window on the surface of the timepiece and indicates the margin with a pointer. Power reserve evaluation criteria Today, no doubt, power reserve and tourbillon, watchmaker has become one of the hallmarks of its outstanding craftsmanship. Watch industry to evaluate the pros and cons of power storage there are two main criteria: one is a long power, that is, to maintain the watch when the power storage time as long as possible. The second is the more uniform the energy reduction rate the better. If a watch decay faster and faster of its energy, it will not go away. Therefore, the longer the energy reserve watch, the more uniform attenuation, the higher the requirements of tabulation technology, the table more difficult to do.
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