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TMI NH70A Movement by Seiko (Silver Skeleton Movement)

TMI NH70A Movement by Seiko (Silver Skeleton Movement)

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Seiko NH70A movement description

A reliable movement from TMI (Seiko) TMI NH70A skeleton movement without date function (Silver color)

Key specifications:

  • Up to 41+ hours of power reserve
  • BPH: 21600
  • Accuracy: -20~+40 sec per day
  • Hack-second or stop-second feature allows you to set the time precisely
  • 24 Jewels
  • Function: 3 Hands, Automatic and hand winding 
  • Diameter: 27.40 mm
  • Côtes de Genève decorated rotor


Our DWC Divers and Expedition watches have variants that utilize this movement. Please check their product description before purchasing the movement

Along with the plastic movement holder, this movement will fit most Seiko automatic watches. You may need a skeleton dial or a dial without a date opening to make the most out of this skeleton movement design.