ETA 1004

Hailing from the renowned Swiss manufacturer ETA, the ETA 1004 represents a specific configuration within the landscape of mechanical watch movements. This caliber is a manual-wind mechanism, designed to power timepieces through the direct engagement of its wearer. As a fundamental component, it embodies a set of precise specifications that define its operational characteristics and the practical experience it offers. The ETA 1004 operates as a manual-wind caliber, meaning its mainspring must be wound regularly by hand via the watch's crown to store the energy required for its function. This direct interaction is a defining characteristic, fostering a connection between the owner and the timekeeping instrument. Within its intricate architecture, the movement incorporates 17 jewels. These synthetic rubies serve as low-friction bearings for critical pivot points within the gear train, contributing to the movement's operational efficiency and longevity by minimizing wear on metal components. A key aspect of the ETA 1004's performance is its frequency. The movement beats at 18,000 vibrations per hour (vph), which translates to 2.5 Hertz (Hz). This beat rate dictates the speed at which the balance wheel oscillates, completing 2.5 full cycles every second. For the wearer, this frequency typically results in a second hand that advances in five distinct steps per second, a visual characteristic of movements operating at this rate. Once fully wound, the ETA 1004 provides a power reserve of 43 hours. This duration allows the watch to run for nearly two full days without needing to be rewound, offering a practical window for daily wearers who might remove their watch overnight or for a short period without it stopping. The physical dimensions of the ETA 1004 are also significant for its application in watchmaking. With a diameter of 23.3 mm, it is a compact movement, making it suitable for integration into a variety of watch cases, including those designed for smaller wrists or more discreet profiles. Its height of 4.2 mm further contributes to its adaptability, enabling the creation of relatively slender timepieces. These dimensions are key factors for watch designers seeking to achieve specific aesthetic and ergonomic goals for the final product. In practical terms, the ETA 1004 offers a straightforward mechanical timekeeping experience. Its manual winding nature fosters a direct connection between the wearer and the timepiece, while its 43-hour power reserve provides convenient autonomy for daily use. The compact and relatively slim profile allows for versatile watch designs, from classic dress watches to more understated everyday pieces. The 17 jewels and 18,000 vph frequency define its mechanical character, contributing to its consistent operation within its specified parameters.

Specifications

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