The Seiko NH35 movement is a widely used and reliable automatic movement that has gained popularity in the watch industry, particularly among microbrands and modders. Here are some key aspects to consider when evaluating the Seiko NH35 movement:
1. Robust and Durable:
- The NH35 is known for its durability and robustness. It is based on the Seiko Caliber 4R35 and is part of the NH series produced by the Japanese company TMI (Time Module Inc.), a subsidiary of Seiko Instruments Inc.
2. Accuracy:
- The NH35 is generally considered accurate and reliable for its price range. It operates at a frequency of 21,600 vibrations per hour (3 Hertz) and has a power reserve of approximately 41 hours.
3. Widespread Use:
- Due to its reliability and cost-effectiveness, the NH35 movement is widely used by many watch brands, particularly in entry-level and mid-range watches. Its popularity is also attributed to its availability, making it a preferred choice for various watch projects.
4. Hacking and Hand-Winding:
- The NH35 movement features hacking seconds, meaning the second hand stops when the time is being set. It also supports manual hand-winding, allowing the user to wind the watch manually if desired.
5. Ease of Servicing:
- The NH35 is relatively easy to service and maintain. This can be an advantage for watchmakers and technicians, ensuring that the movement can be serviced without extensive complications.
6. Affordability:
- One of the significant advantages of the NH35 is its affordability. It provides a reliable and automatic movement at a price point that makes watches featuring this movement more accessible to a broader range of consumers.
7. Customization and Modding:
- Due to its popularity, the NH35 is frequently used in modding and customization projects. Many watch enthusiasts appreciate the movement's reliability and the ability to personalize the aesthetics of their timepieces.
8. Drawbacks:
- While the NH35 is generally well-regarded, some users have noted that it may have a slightly noisier rotor compared to movements from higher-end Swiss manufacturers. Additionally, its finish and decoration may not match the standards of more expensive movements.
Conclusion:
The Seiko NH35 movement is a reliable workhorse movement that offers good performance for its price. It has become a staple in the watch industry, particularly for watches where affordability, durability, and reliability are key considerations. While it may not have the advanced features or finishing of higher-end movements, the NH35 is well-suited for a wide range of watches, making it a popular choice for both manufacturers and consumers.