TMI Seiko NH35A Automatic Mechanical Watch Movement 24 Jewels Date 3 O'Clock
TMI Seiko NH35A Automatic Mechanical Watch Movement 24 Jewels Date 3 O'Clock
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NH35A Automatic Mechanical Watch Movement – 24 Jewels, Date at 3 O'Clock
Upgrade or repair a compatible automatic watch with the NH35A mechanical watch movement. Designed for watch replacement and modification projects, this self-winding movement features a three-hand display, date calendar, and reliable mechanical operation.
The NH35A supports both automatic and manual winding, along with a stop-seconds function for precise time setting.
Key Features
- NH35A automatic mechanical movement
- 24-jewel construction
- Automatic self-winding and manual winding
- Three-hand time display
- Date display at the 3 o'clock position
- Quick-set date function
- Hacking function – seconds hand stops when setting the time
- Suitable for compatible watch repair and modification projects
Product Specifications
- Movement Number: NH35 / NH35A
- Manufacturer: TMI (Time Module Inc.)
- Movement Type: Automatic Mechanical
- Jewels: 24
- Functions: Hours, Minutes, Seconds and Date
- Date Position: 3 o'clock
- Frequency: 21,600 vibrations per hour (3 Hz)
- Power Reserve: More than 41 hours
- Movement Diameter: 27.40mm
- Casing Diameter: 29.36mm with dial holding spacer
- Movement Height: 5.32mm
- Manufacturer Accuracy Specification: -20 to +40 seconds per day
Compatibility
Designed for compatible NH35A watch cases, dials, and hand sets.
Before purchasing, verify the movement dimensions, dial feet position, date-window alignment, hand-fitting sizes, stem length, and crown position. Compatibility with other watch calibers is not guaranteed.
Package Includes
- 1 x NH35A Automatic Mechanical Watch Movement
Watch case, dial, hands, crown, and additional installation accessories are not confirmed as included.
Installation Notes
- Professional watchmaker installation is recommended.
- Handle the movement carefully during installation.
- Avoid quick-setting the date during the calendar-change period, approximately 9 PM to 4 AM.
- Check movement operation and timekeeping after installation.





