Mechanical watches have this feature, which is its source of power, without this can not be achieved, and its length is also crucial. Of course, if it is a self-winding watch , insist on wearing every day can maintain a state of sufficient power, but if it is a hand-winding watch, then the power to do long on the very necessary. Mido helmsman men basic models Just that paragraph is only in a basic dynamic range, if the power to more than 3 days or even a long driving force, in general, like the People First brand will not have such a long drive. But last year Tissot introduced a watch with 80 hours of power, be regarded as a long dynamic into the area, I do not know why Xiao Bian always have a "shotgun for gun" feeling. And this year Mido and Hamilton have launched a watch with 80 hours power reserve, one can imagine, many brands Swatch will likely use this long dynamic movement in the future, which also saw the prospect of long power watches Not bad Tissot Hao Zhi series There are more than 3 days on the market dynamic watch, belonging to a longer period of power reserve, such as the famous An example is the example of the Portuguese state 7, which has a seven-day power reserve; of course Panerai also, but although it has a 10-day power reserve movement, but 8 days more famous; and Holley also introduced a 10-day-long memorial this year. If not for a longer dynamic watches, these can actually be called extra-long driving force. 3 long power watch Long dynamic watches are not many, of which Vacheron Constantin has a hand-wound movement that provides a 14-day power reserve The famous Lange 31 of Lange was once the watch with the longest power until the appearance of the Yu-ship MP-05. The wrist-wrestling monster of MP-05 is worthy of the name of its handed down and has a 50-day power reserve It seizes the throne of the world's first long power, to know that it is unrealistic to want to give this watch a simple hand on the chain, it has a special on the chain of tools.