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SEIKO 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) |
|---|---|---|---|
| 300M Marinemaster | Both | 650 | |
| Ananta Automatic Chronograph: SRQ | 8R28 | Both | 500-950 |
| Ananta Chrono | Both | 650 | |
| Ananta Chrono 100th Anniversary | Both | 650 | |
| Ananta Chrono Kumadori | Both | 650 | |
| Ananta Double Retrograde Automatic: SBP | 6R24 | Both | 650 |
| Ananta Multi Hand Automatic: SPB | 6R21 | Both | 650 |
| Anata Spring Drive Chrono | Both | 650 | |
| Grand Seiko | Both | 650 | |
| Grand Seiko GMT | Both | 650 | |
| Grand Seiko Hi-Beat 36000 | Both | 650 | |
| Grand Seiko Spring Drive Chrono | Both | 650 | |
| Grand Seiko Spring Drive Diver | Both | 650 | |
| Grand Seiko Spring Drive Limited Edition | Both | 650 | |
| Premier Automatic: SPB | 6R15 or 6R20 | Both | 500-950 |
| Prospex 200 Diver | CW | 650 | |
| Seiko 5 Sports: SNZ | 7S26 or7S36 | Both | 650-950 |
| Seiko Automatic Divers: SKX | 7S26 | Both | 500-950 |
| Seiko Credors | 6S Series | CW | 650-950 |
| Seiko Flightmaster: SBD 5001 | 6S37 | CW | 650-950 |
| Seiko Landmaster | 8L35 | Both | 500-950 |
| Seiko Marinemaster | 8L35 | Both | 500-950 |
| Spring Drives | 5R64 | Both | 650 |
| Kinetic: | Kinetic | “ | “ |
| Kinetic Auto Relay | “ | “ | |
| Kinetic Perpetual | “ | “ | |
| Seiko Kinetic: SKA, SKH | – | “ | “ |
| Seiko Kinetic Auto Relay: SMA | – | “ | “ |
| Seiko Perpetual: SNP | – | “ | “ |
| Mechanic: | 4S Series | Both | 650 |
| 5606 | Both | 650 | |
| 6601 | Both | 650 | |
| 6119 | Both | 650 | |
| 6R20 | Both | 650 | |
| 6S Series | CW | 650 | |
| 7625E | Both | 650 | |
| 7S Series | Both | 650 | |
| 8L Series | Both | 650 | |
| 9S Series | Both | 650 |
If you could not find your watch model (or caliber) in this table, you may determine your SEIKO 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.
