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MB&F winding parameters

Definitions:

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

MODEL, DESCRIPTIONMOVEMENT / CALIBERWINDING DIRECTIONTURNS PER DAY (TPD)
HM1–CCW500
HM2–CCW500
HM2 OnlyWatch 2009–CCW500
HM2 SV 2010–CCW500
HM2.2 Black Box–CCW500
HM3–CCW500
HM3 Frog–CCW500
HM3 JWLRYMACHINE–CCW500
HM3 MegaWind–CCW500
HM3 MoonMachine–CCW500
HM5–CCW500
HM5RT–CCW500

If you could not find your watch model (or caliber) in this table, you may determine your MB&F 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.