Mechanical wristwatches employ spring drives for their motive power. However, when unworn, after about forty-eight hours, the mainspring fully unwinds and the watch stops. Many automatic watches not only keep time, they also provide “complications” such as day and date (the calendar watch), or, in more sophisticated automatic watches, display month, year, leap-year, lunar phase, […]
The post The Intuitive Rotorwind Technology of Orbita appeared first on duPont REGISTRY Daily.