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U-BOAT 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) |
|---|---|---|---|
| Automatico Argento U-925 | ETA 2824-2 | Both | 650 |
| Automatico Argento U-925 Inglese | ETA 2824-2 | Both | 650 |
| Chimera 48 Carbonio GMT | CW | 800 | |
| Classico 1001 | Both | 650 | |
| Classico A925 | ETA 2824-2 | Both | 650 |
| Classico AB | ETA 2824-2 | Both | 650 |
| Classico AB 4 | ETA 2824-2 | Both | 650 |
| Classico AS | ETA 2824-2 | Both | 650 |
| Classico CA925 | Both | 650 | |
| Classico CAS | ETA 7750 | CW | 800 |
| Classico Gold A 18K | ETA 2824 | Both | 650 |
| Classico Gold CA 18K | ETA 7750 | CW | 800 |
| Classico Golden Crown | ETA 2824 | Both | 650 |
| Classico U-1001 | – | – | – |
| Eclipse | ETA 2824 | Both | 650 |
| Flightdeck ABO | ETA A07.111 | CW | 800 |
| Flightdeck CA 18K | ETA 7750 | CW | 800 |
| Flightdeck CA 18K3 | CW | 800 | |
| Flightdeck CA-CB Titanium | ETA 7750 | CW | 800 |
| Flightdeck CAB | ETA 7750 | CW | 800 |
| Flightdeck CAB WH | ETA 7750 | CW | 800 |
| Flightdeck CAS | ETA 7750 | CW | 800 |
| Flightdeck CAS BE | ETA 7750 | CW | 800 |
| Flightdeck Eclipse | Both | 650 | |
| Flightdeck Elementium | Both | 650 | |
| Flightdeck Gold Bezel | ETA 7750 | CW | 800 |
| Flightdeck Steel Bezel | ETA 7750 | CW | 800 |
| Flightdeck Titanium | ETA A07.211 | CW | 800 |
| Nightvision | ETA 2824 | Both | 650 |
| Thousands of Feet AB | ETA 2824 | Both | 650 |
| Thousands of Feet AS | ETA 2824 | Both | 650 |
| Thousands of Feet CAB3 | ETA 7750 | CW | 800 |
| Thousands of Feet CAS3 | ETA 7750 | CW | 800 |
| Thousands of Feet Diamond | ETA 2824 | Both | 650 |
| Thousands of Feet Gold | ETA 2824 | Both | 650 |
| Thousands of Feet Gold Bezel | ETA 7750 | CW | 800 |
| Thousands of Feet Ruby | ETA 2824 | Both | 650 |
| U-42 Unicum | Both | 650 |
If you could not find your watch model (or caliber) in this table, you may determine your U-BOAT 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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