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BOZEMAN winding parameters
Definitions:
- «CW» - Clockwise winding direction;
- «CCW» - Counterclockwise winding direction;
- «Both» - Combined mode (Clockwise + Counterclockwise);
- «–» - Undefined;
| MODEL, DESCRIPTION | MOVEMENT / CALIBER | WINDING DIRECTION | TURNS PER DAY (TPD) |
|---|---|---|---|
| Classical | 13BA04 | CW | 800 |
| Double Time Zone Orbis Mundi | 13BA04 | CW | 800 |
| Guilloché 42 | 13BA04 | CW | 800 |
| Sportster Chronograph | 13BA01 | CW | 800 |
| Cutthroat GMT | ETA 2893-2 | Both | 650 |
| Gallatin | ETA 2895-2 | Both | 650 |
| Herradura | Valgranges | CW | 800 |
| Schofield | ETA A07.111 | CW | 800 |
| Sidewinder | ETA A07.161 | CW | 800 |
| SmokeJumper | ETA 7753 | CW | 800 |
| SmokeJumper GMT | ETA 2893-2 | Both | 650 |
| Snowmaster Telemetric | Valjoux | CW | 800 |
| USS Montana | ETA A07.111 | CW | 800 |
If you could not find your watch model (or caliber) in this table, you may determine your BOZEMAN 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.
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