The necessary TPD varies greatly depending on the make and model of your watch. To get specific recommendations that are right for your watch, see Turns per day. A watch turner is designed to accommodate various settings to match these recommendations, ensuring your watch maintains accurate time without overwinding. Properly setting the TPD on your watch turner not only optimizes the watch's performance but also enhances its longevity by ensuring that all mechanical movements are precisely tuned according to the manufacturer's specifications.