Seiko NH35 Instructions

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Seiko NH35 Specification

The Seiko NH35 is a widely acclaimed automatic movement renowned for its reliability and precision in the horological world. This movement features a 24-jewel design, which reduces friction and enhances the longevity and accuracy of the timepiece. Operating at a frequency of 21,600 vibrations per hour (3 Hz), it provides a smooth sweep of the second hand, offering a balance between precision and power consumption. The NH35 is equipped with a hacking function, allowing the second hand to be stopped when setting the time for precise adjustments. It also includes a manual winding option, providing users with the flexibility to wind the watch manually if needed.

The movement boasts a power reserve of approximately 41 hours, ensuring it continues to function smoothly even if not worn for a day or two. Its dimensions include a diameter of 27.4 mm and a height of 5.32 mm, making it suitable for a wide range of watch cases. The NH35 is lauded for its robust construction, featuring a durable design that withstands everyday wear and tear, supported by a strong shock resistance system. Additionally, the movement includes a date complication positioned at the 3 o'clock mark, enhancing its functionality for daily use.

Seiko's NH35 is celebrated not only for its performance but also for its widespread use in various watch models, from affordable microbrands to more established names, thanks to its cost-effective nature and proven track record. Its versatility and reliability have made it a preferred choice among watch enthusiasts and manufacturers, ensuring its continued popularity in the industry.

Seiko NH35 F.A.Q.

How do I manually wind the Seiko NH35 watch?

To manually wind the Seiko NH35 watch, unscrew the crown, pull it to the first position, and turn it clockwise. This will wind the mainspring, providing power to the watch.

What is the power reserve of the Seiko NH35 movement?

The Seiko NH35 movement has a power reserve of approximately 41 hours when fully wound.

How accurate is the Seiko NH35 movement?

The Seiko NH35 movement is typically accurate to within -20 to +40 seconds per day. Regular maintenance can help maintain accuracy.

How often should I service my Seiko NH35 watch?

It is recommended to service the Seiko NH35 watch every 3 to 5 years to ensure optimal performance and longevity.

Can the Seiko NH35 movement be hacked?

Yes, the Seiko NH35 movement features a hacking function, allowing the second hand to be stopped when setting the time for precise synchronization.

What should I do if my Seiko NH35 watch stops working?

If your Seiko NH35 watch stops working, try manually winding it. If the issue persists, consider taking it to a professional watchmaker for inspection and repair.

How do I adjust the date on the Seiko NH35 watch?

To adjust the date, pull the crown to the first position and turn it counterclockwise. Avoid changing the date between 9 PM and 3 AM to prevent damaging the movement.

Is the Seiko NH35 movement suitable for diving?

The Seiko NH35 movement itself is not water-resistant, but it is often used in dive watches with adequate water resistance ratings. Check the watch's specific water resistance rating for diving suitability.

What is the difference between the Seiko NH35 and NH36 movements?

The primary difference between the Seiko NH35 and NH36 movements is that the NH36 includes a day-date complication, while the NH35 only has a date function.

Can I replace the Seiko NH35 movement myself?

Replacing the Seiko NH35 movement requires technical skills and tools. It is recommended to have it done by a professional watchmaker to avoid damaging the watch.