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JACQUES LEMANS 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) |
|---|---|---|---|
| 1397 Classic Automatic | MY 8215 | CCW | 650-950 |
| 1398 Woman's Classic Automatic | MY 8215 | CCW | 650-950 |
| 916D Classic Moon Phase Chronograph Automatic | Valjoux 7751 | CW | 800 |
| GU137 Tempora Automatic Date-Day | – | – | – |
| GU138 Geneve Automatic | – | – | – |
| GU163 Geneve Automatic | CL888 | Both | 650-950 |
| GU179 Grande Classique Automatic | – | – | – |
| GU180 Grande Classique Automatic | SW 200 | Both | 650-800 |
| GU186 Sigma Automatic | SW 200 | Both | 650-800 |
| GU187 Sigma Chronograph Automatic | Valjoux 7750 or 7751 | CW | 800 |
| GU189 Tempora Chronograph Automatic | ETA 7750 | CW | 800 |
| GU209 Ltd Ed | ETA 2892-2 | Both | 650 |
| GU223 Geneve Automatic Stainless | – | – | – |
| I-499 Belfast Mech. | – | – | – |
| I-525 London | – | – | – |
| I-526 London | – | – | – |
| Automatic Chronographs | Valjoux 7750 or 7751 | CW | 800 |
| Automatic 3-Hand Models | ETA 2834-2 | Both | 650 |
| Automatic Moon Phase Chronograph | Valjoux 7751 | CW | 800 |
| Regulator | ETA 2824 | Both | 650 |
If you could not find your watch model (or caliber) in this table, you may determine your JACQUES LEMANS 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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