Power reserve display, also called energy display. That is, there is usually a display window on the dial that indicates the power reserve, also called the energy display window.
Nowadays, the power reserve is undoubtedly one of the hallmarks of the watchmaker’s craftsmanship, just like the tourbillon. There are two main criteria for evaluating the power reserve in the watch industry, let's take a look
During the deep dive of the watch, as the water pressure increases, there are more helium molecules in the water than under the water molecules, and the tiny helium molecules will squeeze into the case from the gap of the watch under the action of strong pressure. At this time, the pressure in the case gradually increases, and the internal and external pressures are basically balanced. In this way, the watch can be well waterproofed in the deep sea and prevent the case from being broken and deformed.
Though technology has badly occupied the world, the advent of new tech products is continuously taking the place of old ones, which you can call classic, cultural, and traditional. And sadly, watches have no exception to it.
Those who still wear them are either habitual or take them for fashion. But don’t think that the timepieces are outdated. Though their primary purpose is to show the time, they are symbols of wealth and goodness and indicate a person’s taste.