Lemania 1873

The Lemania 1873 is a manual-wind mechanical movement manufactured by Lemania. This caliber is also known by its alternative names, 1873 and Cal. 1873. It serves as a foundational mechanism for timekeeping in various watches, providing a specific set of functions and technical characteristics. Technically, the Lemania 1873 operates as a manual-wind movement, meaning it requires the wearer to manually wind the mainspring to power the watch. This contrasts with automatic movements that self-wind through wrist motion. The movement incorporates 18 jewels, which are synthetic rubies strategically placed at points of high friction to reduce wear on metal components, contributing to the movement's longevity and stability. Its operational frequency is 18,000 vibrations per hour (vph), equivalent to 2.5 Hertz (Hz). This frequency dictates the rate at which the balance wheel oscillates, influencing the accuracy of the timekeeping and the smoothness of the small seconds hand's sweep. A full wind provides a power reserve of 40 hours, indicating that once fully wound, the watch can continue to operate for up to 40 hours off the wrist before needing to be wound again. In terms of dimensions, the Lemania 1873 has a diameter of 27 mm. This size makes it suitable for a range of watch cases, allowing for various design possibilities. Its height measures 4 mm, which is a relatively slim profile for a mechanical movement. This compact height enables the watches it powers to maintain a slender case design, contributing to wearer comfort and aesthetic appeal. The movement features several complications: small seconds, hours, and minutes. The hours and minutes hands provide the primary time display. The small seconds complication presents a dedicated sub-dial, typically located at a specific position on the watch face, for tracking seconds independently, offering a precise visual indication of the watch's operation. The characteristics of the Lemania 1873, including its manual-wind nature, specific frequency, and power reserve, define its practical significance for the wearer. Its compact dimensions allow for watches with modest case sizes, enhancing wearability. This caliber is notably employed in several specific timepieces. It powers the Lemania TAG Heuer Carrera 1964 Lemania Silver (Ref. CS3110.BC0725), the Lemania TAG Heuer Carrera 1964 Lemania Gold (Ref. CS3140.BC0727), and the Lemania TAG Heuer Carrera 1964 Lemania Salmon (Ref. CS3112.BC0793). All three of these watches feature a 36mm case size, demonstrating how the 27mm diameter of the 1873 movement integrates into a proportionally sized watch.

Specifications

Complications

Also Known As

Watches Using This Caliber(3)

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