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SEIKO WATCHES
Watch Winding Specifications

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 ever you are unable to find your watch model in this table, here's an easy way to determine the winding requirements for your SEIKO watches.

  • Select the combined winding mode (CW+CCW) and the minimal number of turns per day (TPD).
  • 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 increment.

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