Zach Smith is an independent watchmaker and ultra-precision machinist based in Ohio, dedicated to the design and manufacture of exceptional mechanical components. A WOSTEP-certified watchmaker, he blends traditional horological craftsmanship with advanced CNC technology, producing parts to tolerances measured in microns. With a focus on refinement, precision, and thoughtful engineering, he creates intricate watch components and ultra-precision mechanical parts of the highest standard.

Operating as an end-to-end manufacturer, Hour Precision handles every step of production, transforming raw materials into finished components. This complete control includes processes such as heat treatment and plating, ensuring the highest level of quality at every stage.

The workshop is equipped with advanced ultra-precision CNC machines, Swiss-type lathes, and high-accuracy metrology equipment, enabling full in-house manufacturing and inspection. Complex components produced include watch cases, dials, hands, crowns, gears, balance wheels, escapement components, mainplates, and bridges. By maintaining oversight of the entire process, each component reflects a commitment to precision, quality, and enduring craftsmanship.

Rooted in traditional horology and guided by modern engineering, Zach Smith’s work emphasizes mechanical purity and long-term reliability, creating components defined by precision and quiet  elegance.