Definitions:
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.
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