TMI Seiko NH35A Automatic Mechanical Watch Movement 24 Jewels Date 3H

TMI Seiko NH35A Automatic Mechanical Watch Movement – 24 Jewels

Restore or upgrade a compatible mechanical watch with the TMI NH35A automatic movement. Featuring automatic self-winding and manual winding capabilities, this mechanical movement offers reliable timekeeping functionality with a date display at the 3 o'clock position.

Designed for compatible watch repair, replacement, and custom watch modification projects.

Key Features

• TMI NH35A automatic mechanical movement
• 24-jewel movement construction
• Automatic self-winding mechanism
• Manual hand-winding capability
• Hacking function – seconds hand stops when setting the time
• Quick-set date function
• Three-hand time display with date at 3 o'clock
• Suitable for compatible watch repair and modification projects

Product Specifications

• Manufacturer: TMI (Time Module Inc.) / Seiko Instruments
• Caliber: NH35A
• Movement Type: Automatic Mechanical
• Jewels: 24
• Display: Hour, Minute, Second 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
• Accuracy: -20 to +40 seconds per day (manufacturer specification)
  

Compatibility

Designed for compatible NH35A watch cases, dials, and hand sets.

Before purchasing, verify movement dimensions, dial feet position, date-window alignment, hand-fitting dimensions, stem length, and crown position. Not every watch designed for another automatic movement will accept the NH35A without modification.

Package Includes

• 1 x TMI 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 between approximately 9 PM and 4 AM to prevent damage to the calendar mechanism.
• Check movement operation and timekeeping after installation.