Miyota 4T23

Miyota, a prominent Japanese movement manufacturer, produces a range of calibers for the watch industry. Among these is the Miyota 4T23, an automatic mechanical movement designed to power timepieces without the need for manual winding or battery power. This particular caliber exemplifies Miyota's approach to creating functional and compact movements suitable for various watch designs. The 4T23 operates as an automatic movement, meaning it harnesses the natural motion of the wearer's wrist to wind its mainspring. This eliminates the requirement for daily manual winding, offering convenience and continuous operation as long as the watch is worn regularly. Within its mechanism, the movement incorporates 17 jewels. These synthetic rubies serve a crucial function by reducing friction at critical pivot points, thereby enhancing the longevity and stability of the movement's components. The balance wheel of the Miyota 4T23 oscillates at a frequency of 18,000 vibrations per hour (vph), which translates to 2.5 Hertz (Hz). This frequency dictates the smoothness of the seconds hand's sweep and contributes to the movement's overall timekeeping characteristics. A lower beat rate like 18,000 vph is often associated with less wear on components over time, though it results in a more perceptible "tick" than higher-frequency movements. Measuring 20.8 mm in diameter, the Miyota 4T23 is a relatively compact movement. This smaller footprint allows watch designers greater flexibility, potentially enabling the creation of watches with more modest case sizes or those that prioritize a sleek aesthetic. Complementing its diameter is an exceptionally thin profile, with a height of just 1.64 mm. This slender construction is a significant attribute, as it permits the production of very thin watches, contributing to wearer comfort and a refined appearance on the wrist. For watchmakers and technicians, the specified lift angle of 53° is a vital piece of information. This parameter is used when calibrating timing machines to accurately measure the amplitude of the balance wheel, ensuring precise adjustments and servicing of the movement. In practical terms, the Miyota 4T23's specifications point to a movement designed for reliability and wearability. Its automatic winding mechanism provides a hassle-free experience for the user, while the 17 jewels contribute to its operational durability. The 18,000 vph frequency offers consistent timekeeping. Most notably, its compact diameter and remarkably slim height make it an ideal choice for watches where a slender profile is desired, whether for dress watches, smaller wrist sizes, or simply a preference for less bulk. This combination of automatic functionality and svelte dimensions positions the Miyota 4T23 as a practical and versatile option for a range of timepieces prioritizing comfort and understated design.

Specifications

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