JACOB & CO. winding parameters

Definitions:

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

MODEL, DESCRIPTIONMOVEMENT / CALIBERWINDING DIRECTIONTURNS PER DAY (TPD)
Automatic ChronographETA 7750CW800
ACM1, ACM2, ACM3, ACM4, ACM5, ACM6, ACM7, ACM8, ACM9CW800
Epic IJC2121
Epic I v 2JC2121
Epic II E1CW800
Epic II E1CCW800
Epic II E1RCW800
Epic II E2CW800
Epic II E2PRGBCBCW800
Epic II E2RGCPCW800
Epic II E2SSCPCW800
Epic II E3RGCW800
Epic II E3RGCCW800
Epic II SF24CW800
Epic II v2 V2E1CW800
Epic II v2 V2E2CW800
Epic Q1CW800
Epic Q2BCW800
Epic Q3RGCW800
Five Time Zone AutomaticETA A07.111CW800
GMT-11RGCW800
GMT-1SSSCW800
GMT-1YGCW800
GMT-2SSCW800
GMT-3SSCW800
GMT-4SSCW800
GMT-5SSCW800
GMT-6SSCW800
GMT-7RGCW800
GMT-7RGDCCW800
GMT-7SSRCW800
GMT-8SSDCCW800
H-24 Five Time Zone Automatic2CW800
H-24CFRGCW800
H-24RCW800
H-24RCCW800
H-24RGCW800
H-24RGSGCW800
H-24RRGDCCW800
H-24RRGDDCW800
H-24SSBCW800
H-24SSBLCW800
H-24SSCFCW800
H-24SSCF8CW800
H-24SSCPCW800
H-24 SSCRCW800
H-24SSGCW800
H-24SSSLCW800
H-24 SSSLWGCW800
H-24SSWCW800
H-24T1SSDCCW800
H-24 T2SSDCCW800
H-24TRGCW800
H-24 TRGDCCW800
JC-S1BDCBoth650
JC-S1BYGBoth650
JC-S2BBoth650
JC-S2GBoth650
JC-S3Both650
JC- S3RGBoth650
JC- S3YGBoth650
JC-S4Both650
JC-S6Both650
JC-S8Both650
JC-S9Both650
Royal Automatic
Royal WatchBoth650
The StandardETA 2892-A2Both650
The Five Time Zone WatchCW800
Tourbillon 12 TimezonesJC 1000
Valentin YudashkinETA 2892-A2Both650
World GMTETA 2892-A2CW800

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