
( Brand: Eta ), ( Model: ETA 902001 ), ( Part Type: Stem ), ( Country/region Of Manufacture: Swaziland ), ( Year Of Manufacture: 2010-now ), ( Type Of Movement: Quartz )
The ETA 90-2001 stem movement is a remarkable timekeeping mechanism, designed and manufactured by the Swiss watchmaking company ETA, a subsidiary of the Swatch Group. This particular movement, with the reference number 90-2001, is known for its reliability, accuracy, and versatility.
The ETA 90-2001 is a self-winding mechanical movement, which means it harnesses the energy produced by the wearer's movements to keep the watch running. The movement features a central seconds hand, a minute hand, and a sweeping seconds sub-dial at the 6 o'clock position. The power reserve of the ETA 90-2001 is approximately 42 hours, ensuring the watch continues to run even when it's not being worn for a day or two.
The movement is equipped with a Swiss lever escapement, an adjustable-mass balance wheel, and a shock-absorbing system. These components work together to provide smooth and precise timekeeping. The balance wheel oscillates at a frequency of 28,800 vibrations per hour, or 8 beats per second, ensuring a high level of accuracy.
The ETA 90-2001 stem movement is widely used in various watch models due to its robustness and dependability. Its dimensions are 25.6mm in diameter and 5.4mm in height, making it suitable for a variety of watch cases. The movement is also known for its ease of adjustment, allowing watchmakers to set the time and regulate the accuracy of the watch with relative ease.
In summary, the ETA 90-2001 stem movement is a reliable and accurate timekeeping mechanism, suitable for a wide range of watch models. Its self-winding feature, Swiss lever escapement, and adjustable-mass balance wheel ensure smooth and precise operation. With a power reserve of 42 hours and a frequency of 28,800 vibrations per hour, this movement is a testament to the Swiss watchmaking tradition of precision, reliability, and elegance.
Pros of buying a 902001 STIEM Movement ETA:1. High-quality movement: ETA is a well-known Swiss watch movement manufacturer, known for producing high-quality movements.
2. Durable and reliable: The 902001 STIEM Movement ETA is known for its durability and reliability, making it a good choice for those looking for a long-lasting watch movement.
3. Wide compatibility: The 902001 STIEM Movement ETA is compatible with a wide range of watch cases, making it a versatile option for watch enthusiasts.
Cons of buying a 902001 STIEM Movement ETA:1. Expensive: Compared to other watch movements, the 902001 STIEM Movement ETA can be quite expensive.
2. Limited availability: ETA movements are not as widely available as other watch movements, which can make them harder to find and more expensive.
3. Maintenance: ETA movements require regular maintenance, which can add to the overall cost of owning a watch with this movement.
Conclusion:The 902001 STIEM Movement ETA is a high-quality, durable, and reliable watch movement from a well-known Swiss manufacturer. However, its high cost, limited availability, and maintenance requirements make it a less practical choice for some watch enthusiasts. Ultimately, whether or not the 902001 STIEM Movement ETA is the right choice for you depends on your budget, watch preferences, and willingness to invest in regular maintenance.
Recommendation:If you are looking for a high-quality watch movement and are willing to invest in regular maintenance, the 902001 STIEM Movement ETA could be a great choice for you. However, if you are looking for a more affordable or low-maintenance option, there are other watch movements available on the market that may better suit your needs.
Stem for movement call - Eta.