Seiko Mod Movements

Seiko Mod Movements

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      Power Your Build with the Right Movement

      Every Seiko mod starts with a movement. At Nomods, we stock the most reliable and widely used calibers — the NH35 (date), NH36 (day-date), and specialty skeleton NH7x series. These Japanese automatic movements are hacking, hand-winding, and fully compatible with SKX/5KX, Royal Oak, Aquanaut, and other popular Seiko mod cases.

      Whether you’re a first-time modder or building a custom luxury-inspired piece, choosing the right movement ensures accuracy, durability, and perfect compatibility with dials and hands.

      FAQ

      Nomods stocks NH35 (date), NH36 (day-date), and NH7x skeleton series (NH70, NH71, NH72). All are genuine Japanese automatic movements with hacking and hand-winding.

      Yes, all movements are genuine Seiko/TMI NH-series calibers the same movements used in Seiko's own watches. They are known for reliability, accuracy, and easy serviceability.

      Choose NH35 for date-only builds, NH36 for day-date displays. Select NH70/NH71/NH72 skeleton movements when using open-heart dials that showcase the movement.