
KMII initiates a comprehensive overview of high-frequency watches and calibers, inviting the community to contribute to a definitive resource. This thread is invaluable for understanding the historical and technical landscape of movements beating faster than 28,800 vibrations per hour, a critical aspect of horological precision and innovation. KMII's detailed initial list provides a strong foundation for this collaborative exploration.

The Grand Seiko SBGH035 is a limited edition model that features a distinctive dial and a high-beat movement. This reference is part of Grand Seiko's mechanical collection, known for its precision and robust construction. It represents a specific aesthetic within the brand's offerings, appealing to collectors who appreciate subtle design variations and technical performance. The watch maintains the core principles of Grand Seiko's design language while offering a unique visual identity through its dial. It is a notable example of the brand's approach to limited production runs.
The SBGH035 is housed in a stainless steel case, characteristic of many Grand Seiko models, and features a sapphire crystal. It is powered by a high-beat mechanical movement, which operates at a higher frequency than standard movements, contributing to its accuracy. The case dimensions are consistent with other watches in its series, providing a balanced presence on the wrist. The movement offers a substantial power reserve, ensuring reliable operation over an extended period. The construction emphasizes durability and precision engineering.
This reference appeals to collectors seeking a Grand Seiko with a unique dial and the technical advantages of a high-beat caliber. Its limited edition status adds to its desirability among enthusiasts. The SBGH035 fits into the broader Grand Seiko lineup as a special variant that showcases both the brand's manufacturing capabilities and its attention to detail in design. It is a piece that highlights the brand's commitment to mechanical watchmaking.
I guess we should define high-beat ourselves, or should we use the Mfr's terminology? You are calling watches that are faster than 28,800 High Beat, yet Seiko used the term Hi-Beat quite loosely in some instances, when they moved from 21,600 to 28,800. I have one of those around somewhere... Sounds like a fun research project. Shall we collaborate, and write the definitive tome? Cazalea
The AP is the Jules Audemars Chronometer with AP escapement. I found the Buren Calibre 82 (5 Hz) Best wishes Alkiro
Rolex did use an El Primero but in a de-tuned, 28,800 vph version. And yes, I am talking about faster than 28,800 Seiko was not the only one to use the term in this way, JLC for instance did, too
Do you know of any others, too? You seem to shoot such things from the hip
One of the first was the 1935 introduction by Minerva of a 360,000 A/h movement, Calibre number 42. This allowed the sweep second hand to complete one sweep each second with 1/100 second precision. (from watch-wiki.net ) This will make an impressive list i think. Good hunting !
But it's still in prototype stage, like the new Zenith Defy Lab, IIRC. Thanks a lot! Added the Longines in the meantime and the Minerva will follow ๐๐ป
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