Free U.S.A. Shipping & Tracking. International Rates Available at Checkout.
Seiko [SII] NH36a Automatic Movement: Black, Kanji
Seiko [SII] NH36a Automatic Movement: Black, Kanji

Watchdog Supply Co.

Seiko [SII] NH36a Automatic Movement: Black, Kanji


Say hello to hacking and handwinding features!

Genuine Seiko NH36a Automatic Movement with Day Date at 3 O'Clock or 4 O'Clock.

Comes supplied with watch stem.

Available with several options:

Regulation Options:

  • Factory Standard Regulation: Comes regulated directly from SII factory. -20 sec. to +40 sec. / day is expected.
  • Professionally Regulated: This NH36a movement is regulated by our watchmakers, ensuring an accuracy of -0 sec. to +10 sec. / day.


  • 3 O'Clock Crown Position
  • 4 O'Clock Crown Position


Manufacturer: Seiko Instruments (SII)
Caliber Number: NH36a
Movement Type: Automatic
Jewels: 24
Vibrations Per Hour: 21,600 bph
Shock System: Shock-absorber device for balance staff
Power Reserve: more than 41 hours
Winding Direction: Bi-directional
Functions: Day & Date display with quick day & date correction, second-hand reset

Social Proof