BOEGLI winding parameters

Definitions:

  • «CW» - Clockwise winding direction;
  • «CCW» - Counterclockwise winding direction;
  • «Both» - Combined mode (Clockwise + Counterclockwise);
  • «» - Undefined;

MODEL, DESCRIPTIONMOVEMENT / CALIBERWINDING DIRECTIONTURNS PER DAY (TPD)
Classique M551Both650
Grand Festival: M700, M701, M730, M792ETA 2671Both650
Grand Opera M900Both650
Grand Orchestre: 11552, 11599Cal Reuge 11B/ ETA 2824-2Both650
M790, M791, M792, M793, M900Both650

If you could not find your watch model (or caliber) in this table, you may determine your BOEGLI winding mode on a trial basis. You should select the combined winding mode (CW+CCW) and the minimal number of turns per day (TPD). Then place your watch into the winder and check after a few days how accurate your watch shows the time. If it runs behind, it is necessary to increase the number of TPD by one step.