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HACHER 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) |
|---|---|---|---|
| Airmaster | 25 | CW | 800 |
| Airmaxx | CW | 800 | |
| Airmaxx Classic Flieger Automatic Chronograph | Valjoux 7750 | CW | 800 |
| Airtimer | CW | 800 | |
| Airtimer Classic | 25 | CW | 800 |
| Airtimer Pilot | 25 | CW | 800 |
| Atlantis | CW | 800 | |
| Atlantis GMT 6323 | Valjoux 7750 | CW | 800 |
| Aviateur Serie 7750 | 25 | CW | 800 |
| Aviateur Tricompax 7750 | 25 | CW | 800 |
| Chrono H500 | 25 | CW | 800 |
| Chrono Stratos 7750 | CW | 800 | |
| Chrono Stratos Tricompax | CW | 800 | |
| Edition Walter Röhrl | Valjoux 7750 | CW | 800 |
| Stratos Serie 7750 | 25 | CW | 800 |
| Stratos Tricompax | 25 | CW | 800 |
If you could not find your watch model (or caliber) in this table, you may determine your HACHER 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.
