As long as it is worn, a Rolex Milgauss will wind up automatically each day. The perpetual rotor transfers energy from your wrist to the timepiece, keeping it powered all day long. In the event that you remove the watch at night, the Rolex Milgauss power reserve will continue to run. This issue is indirectly related to the next, but it is also directly related: how many years do Rolex watches last?
In two circumstances, a Rolex Milgauss must be winded by hand: 1. Because you haven't worn it in a long time, your model has broken down. Before you put the mainspring on, wound it up with the crown. There may not be enough wrist movement to completely wind up the wristwatch. Before going to bed, it's a good idea to wind up your wrist watch by hand. There might be content about Rolex is it worth it associated with this.
Here are two situations in which you may want to wind your Rolex Milgauss manually.
In order to be a reliable timepiece, a Rolex watch must have a reliable power reserve. The most of of Rolex timepieces have a power reserve of at least 40 hours. There is a 70-hour power reserve in modern Rolexes. Essentially, a fully wound Rolex timekeeper should run for a certain period of time if you don't wear it. If you wear your Rolex all day and it doesn't work overnight, you have a power reserve problem. Prior to actually bringing your Rolex in for service, you can put it to the test. Here is another topic you should also read about if you are interested in this topic: how much money to service a Rolex watch?
How to Test Your Rolex's Power Reserve The power reserve information can be found in the handbook that came with your wristwatch. The Power Reserve of the watch is listed in HOURS under technical specifications.
Before the test, make sure your Rolex wrist watch is suitably wound.
Synchronize your wrist watch in an accurate clock. With your smartphone or computer, you can get correct time.
Place your Rolex in a location where it will not be moved for a couple of days.
Make sure to set your phone or any other device to alarms so you can check your wrist every 12 hours (or every 6 hours for a more accurate test).
Check if the Rolex is still on and the time is accurate when the alarm goes off (Rolex accuracy is +2/-2 seconds every day).
Timekeepers that stop working before the power reserve specifications or that do not keep accurate time indicate a problem with the timepiece and need to be serviced by a qualified Rolex watchmaker. A dedicated article provides more information about cost to clean and service a Rolex.