Precision Hour Wheel for Seagull ST3600 & ETA6497 Movements – 1.6mm Height

Achieving seamless timekeeping in mechanical watchmaking starts with the smallest components—like the hour wheel. This precision-engineered hour wheel, designed specifically for the Seagull ST3600 and ETA 6497 movements, stands at a consistent 1.6mm height to ensure perfect alignment within the movement’s gear train. Whether you're performing a full restoration or replacing a worn-out part, this component delivers reliable performance and smooth operation, maintaining the integrity of your timepiece’s inner mechanics.

Crafted with attention to detail, this hour wheel is made from high-quality brass and finished to exact tolerances, ensuring it meshes flawlessly with adjacent gears. Its standardized 1.6mm height makes it an ideal match for both vintage and modern applications that rely on the widely used ETA 6497 or its Chinese counterpart, the Seagull ST3600. Watchmakers appreciate how such a precisely dimensioned part minimizes friction and reduces the risk of timing errors—an essential factor in achieving chronometer-level accuracy.

Beyond its functional excellence, this hour wheel complements the clean, minimalist aesthetic favored in contemporary horology. Its sleek, unadorned design integrates seamlessly into watches that prioritize understated elegance over excessive ornamentation. Whether installed in a field watch, pilot’s timepiece, or a hand-built custom creation, this component supports a modern and simple design language that enhances the overall beauty of the dial without drawing undue attention to itself.

For independent watchmakers, hobbyists, and repair professionals alike, having access to dependable, accurately sized parts like this hour wheel is invaluable. It not only simplifies the assembly process but also ensures long-term durability and consistency in performance. With this replacement part, you can restore confidence in your mechanical watch’s reliability while preserving its timeless appeal—proof that even the tiniest elements play a pivotal role in the art of horology.