Many people believe that watch accuracy can be achieved by simply adjusting the regulator screw towards the + or – position. Regulating a watch is a lot more complex than this. Watches that are inaccurate are inaccurate for a reason. Generally, these watches require CLEANING AND CONDITIONING (oiling and greasing of the winding mechanisms). Conditioning also includes: ensuring that all of the train wheels are free from obstruction, the hairspring.. Read More