Mechanical watches are powered by a coiled spring known as a mainspring. As this spring uncoils, the amount of time that the watch can run diminishes. This remaining amount of time is referred to as the power reserve, winding indication, or up/down indication. An indication turning through an angle or a linear indicator appears on the dial to display the power reserve, similar to a car’s fuel gauge.
In addition to serious magnetic this situation will be faster, mechanical clocks and watches for a long time, most of the situation will happen to slow down.The reason for the slowdown is that the lubricating oil of the movement becomes more and more viscous over time, and the dust inside the movement mixes with the lubricating oil to form the so-called "slime". Because the effect of lubrication is reduced, the surface naturally slows down.
As we know, Jeanne de Clisson have a distinctive personality, bold, brave, not afraid of death, and keep forward was a 14th century Bretton noblewoman who is today mostly remembered for her 13-year long career as a pirate and privateer in the waters of English Channel. Born in the high nobility of the northern French province, she swore revenge against the France for the execution of her husband that was approved by the King Philip VI himself. During the time of her naval war, she gained the nickname "Lioness of Brittany", which is remembered vividly in the modern history and pop culture.
