Try winding the watch once every week , or once every two weeks (whether your wearing the watch or not.) Wind it 40 times in a clockwise rotation. Monitor the time for a few days and see if your still gaining or loosing time. I personally love the 8 day, wear it well!
Nicolas, Great pictures, with perfect detail. As far as the overall color goes, in the spirit of the Swiss, and the current watch "chocolate craze" this watch is a beauty. Very refreshing after all the black, and anthrasite dials that JLC has designed for the other past tourbillon family members. I