ATLANTIC winding parameters

Definitions:

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

MODEL, DESCRIPTIONMOVEMENT / CALIBERWINDING DIRECTIONTURNS PER DAY (TPD)
Grand TonneauETA 2893-2Both650
Mariner BarrelETA 2824-2Both650
Mariner ChronographsValjoux 7750CW800
Mariner ClassicETA 2824-2Both650
Mariner SquareETA 2824-2Both650
Regatta Start ChronographsValjoux 7750CW800
Seacrest 35ETA 2824-2Both650
Seacrest 38ETA 2824-2Both650
Seacrest AutomaticETA 2824-2Both650
Seahunter 50 AutomaticETA 2824-2Both650
SeaportETA 2824-2Both650
Seashark AutomaticETA 2824-2Both650
SeashoreBoth650
SeawaveETA 2824-2Both650
SkipperETA 2824-2Both650
Skipper Regatta ChronographsValjoux 7750CW800
Worldmaster 2ETA 2824-2Both650
Worldmaster 1888ETA 2824-2Both650
Worldmaster 1888 w/small secondsETA 2895-2Both650
Worldmaster 1888 Reserve de MarcheBoth650
Worldmaster Art Deco AutoETA 2824-2Both650
Worldmaster Classic AutomaticETA 2824-2Both650
Worldmaster Chronograph ValjouxValjoux 7750CW800
Worldmaster Chronograph 2012CW800
Worldmaster Chronometer Automatic COSCETA 2824-2Both650
Worldmaster GMTETA 2893-2Both650
Worldmaster MarSqBoth650
Worldmaster MechanicalETA 2824Both650
Worldmaster SquareETA 2824-2Both650

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