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Genuine Seiko Japanese TMI GMT NH34 Automatic Movement

Price

$158.00

Sold Out  ·  Inquire for lead time

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1-Year Warranty
Quick Ship
14-Day Returns
Hand Assembled

The TMI NH35A is a proven Japanese automatic movement built for reliability, durability, and everyday performance. A popular choice for custom watch builds, repairs, and replacements, the NH35A features a date display at 3 o’clock, hacking seconds, and hand-winding capability.

Manufactured by TMI, part of the Seiko Group, this 24-jewel automatic movement operates at 21,600 vibrations per hour and delivers approximately 41 hours of power reserve. Its dependable construction and broad compatibility have made the NH35A one of the most widely used automatic movements among custom watch builders and enthusiasts.

Factory new and ready for your next build. Stem included. Ships from the USA.

 

Highlights

  • Genuine TMI (Seiko Group) NH35A Automatic Movement
  • Japanese Automatic Movement
  • Date Display at 3 O’Clock
  • 24 Jewels
  • Hacking Seconds
  • Hand-Winding Capability
  • Approximately 41-Hour Power Reserve
  • 21,600 Vibrations Per Hour
  • Stem Included
  • Factory New
  • Ships from USA
  • Fast Shipping

 

Caliber number NH34A
Functions Central hours, central minutes, central seconds, GMT
Jewels 24
Manufacturer Seiko Instruments (TMI)
Movement type Automatic
Power reserve 41H+
Vibrations per hour 21,600 bph
Winding direction Bi-directional

Every Bexford watch is hand-assembled at our bench. We source the same components we use in our own daily wearers. All finished watches ship with a 1-year assembly warranty — if something isn't right, we make it right.

Shipping: In-stock items ship within 3–5 business days. Made-to-order items ship within 14 days.

Returns: 14-day returns for unworn, unmodified items. Made-to-order builds are final sale unless defective.

Common Questions.

Still have questions? Reach out directly.

We primarily use Seiko NH35, NH36, and NH34 automatic movements — proven, serviceable, and reliable. Movement caliber is always listed in the product specs.
Our average build time is 14 days. Sold-out items typically have a ~1-month lead time — we'll confirm before you pay.
Yes. All finished Bexford watches include a 1-year warranty covering assembly defects and movement issues.
Yes. Diver models use screw-down crowns and casebacks and are pressure-tested before shipping. The Sentinel is rated to 100m / 330ft.
Absolutely. We sell the exact same movements, dials, and components we use in our own builds. Browse the Movements, Dials, and Stickers categories in the shop.
Sold-out items remain visible with an "Inquire to Order" option. Use the contact form — we'll give you a firm lead time and hold your spot.