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 means ensuring that all of the train wheels are free from obstruction, the hairspring is centered.. Read More