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The New Patek Philippe Twenty~4 7340/1R Perpetual Calendar

Introduced in 1999, the Twenty~4 collection was Patek Philippe’s first dedicated line of feminine timepieces. The original model featured an Art Deco-inspired manchette (cuff) design, but in 2018, the brand unveiled the Twenty~4 Automatic, which is a round-cased iteration powered by an automatic movement. This year, Patek Philippe elevates the collection further by introducing a perpetual calendar complication, marking the collection's debut in the realm of Grand Complications.
Crafted entirely in 18K rose gold, the watch features a 36mm case with a slender profile of just 9.95mm, making it sit gracefully on the wrist. The case is meticulously finished with a combination of polished and brushed surfaces, enhancing its refined aesthetic. Two dial options are available. The Ref. 7340/1R-001 features a silvery opaline dial with a vertical satin finish, evoking the texture of shantung silk that feature irregular texture, while the Ref. 7340/1R-010 presents an olive green sunburst dial for a more contemporary appeal.

Glossary

frequency

the number of vibrations performed by the hairspring per hour. Frequency is an important indicator of accuracy and performance in a watch. The higher the frequency, the greater the accuracy and stability in timekeeping. A higher frequency improves the watch's accuracy and reduces the impact of external factors on its movement. Conversely, a lower frequency reduces the accuracy of the watch and makes it more susceptible to external changes. The frequency of a watch is measured in hertz (Hz).


The frequency of a watch varies among different timepieces and depends on the internal movement of the watch. In automatic mechanical watches, the frequency typically ranges from 2.5 Hz to 5 Hz, which translates to 2.5 to 5 vibrations per second. On the other hand, in quartz watches, the frequency is very high and can range in the tens of thousands of hertz.