
( Brand: Seiko ), ( Model: NH15 ), ( Part Type: Hand Watch ), ( Country/region Of Manufacture: Japan ), ( Type Of Movement: Mechanical )
The Seiko NH15A movement is a reliable and high-performing automatics caliber that has been widely used in various Seiko watches. This particular movement, the NH15A, is a self-winding mechanism that harnesses the power of your wrist's natural movements to keep the watch running.
The NH15A movement features a 21,600 vibrations per hour (vph) frequency, which is equivalent to 6 ticks per second. This high frequency contributes to the movement's precision and smooth operation. The movement also has a power reserve of around 41 hours, ensuring that the watch continues to function even if it's not worn for a day or two.
The NH15A movement is equipped with Seiko's Diashock protection, a system that absorbs shocks to protect the balance wheel and the escapement, two of the most delicate parts of the watch. This ensures that the watch remains accurate even in the event of a sudden impact.
The NH15A movement is also known for its durability. It is constructed with high-quality materials, including a stainless steel rotor, which helps to ensure that the movement remains accurate and reliable over time.
In summary, the Seiko NH15A movement is a robust, high-performing automatics caliber that provides accurate timekeeping, smooth operation, and a power reserve of up to 41 hours. Its Diashock protection system ensures that the movement remains accurate even in the event of a shock, and its construction with high-quality materials ensures its durability.
Pros of using the Seiko NH15A automatic watch movement:1. Reliability: Seiko is a well-known and reputable watchmaker, and the NH15A movement is a proven workhorse, known for its durability and reliability.
2. Affordability: Compared to some other automatic watch movements, the NH15A is relatively affordable, making it a good choice for those looking for a high-quality automatic watch at a reasonable price.
3. Power Reserve: The NH15A movement has a power reserve of around 41 hours, which is longer than some other automatic movements in its price range.
4. Accuracy: The NH15A movement is designed to keep accurate time, with a claimed accuracy of /- 15 seconds per day.
Cons of using the Seiko NH15A automatic watch movement:1. Limited Customization: Since the NH15A movement is used in a number of different watches, there may be limited customization options available.
2. No Hacking Feature: The NH15A movement does not have a hacking feature, which means you cannot adjust the time while the watch is running.
3. No Hand-Winding Option: The NH15A movement is an automatic movement, which means it relies on the wearer's movement to wind the watch. If the watch is not worn for a period of time, it may stop running until it is wound again.
Conclusion:The Seiko NH15A automatic watch movement is a reliable, affordable, and accurate option for those looking for a high-quality automatic watch. While there may be some limitations in terms of customization and features, the NH15A offers good value for money and is a popular choice among watch enthusiasts.
Recommendation:If you are looking for an affordable and reliable automatic watch movement, the Seiko NH15A is a solid choice. It is used in a variety of watches, so you can find one that fits your style and budget. Just be aware of the limitations, such as the lack of hacking feature and hand-winding option, and choose a watch that meets your needs.
Original Seiko sii NH15 NH15a automatic watch movement, 3 hands date at - new brand new movement in a plastic sealed box which can be seen the pictures above.
Each movement includes a brand new battery.