Seiko 1964A

The Seiko 1964A represents a mechanical movement manufactured by the Japanese horological firm Seiko. This particular caliber is designed for timekeeping in wristwatches, embodying a specific set of technical characteristics that define its operation and practical utility for the wearer. As an automatic movement, the Seiko 1964A incorporates a self-winding mechanism. This means the mainspring, which powers the watch, is wound automatically by the natural motion of the wearer's wrist. An oscillating weight inside the movement rotates with arm movements, transferring energy to the mainspring. The practical benefit of this design is that the wearer does not need to manually wind the watch daily, provided it is worn regularly. This enhances convenience and ensures continuous operation without direct user intervention for winding. The movement features 30 jewels. In horology, jewels, typically synthetic rubies, are strategically placed at points of high friction within the movement, such as pivots for gears and escapement components. Their primary function is to reduce wear and tear on metal parts, thereby improving the longevity and stability of the movement's performance.

Specifications

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