1、Perfect Replacement: Mechanical mainspring clockwork is ideal alternative for the original balance wheel. Specifically designed for the 6497 mechanical watch springs. Great for watchmakers, repairers, and daily users. 2、Exquisite Design: Movement mainspring clockwork compact accessory adopts convenient shape for easy carrying and storage. Vibrant color and durable material that resists rust and damage over time. 3、Enhanced Efficiency: With this watch balance wheel, you can easily balance the movement of your watch spring. Whether you are a professional watchmaker or simply want to replace the watch spring without the need for a jeweler, watch balance spring will help you get the job done. 4、Metal: Constructed with durable and rust resistant metal, watch balance mainspring clockwork is built to last. It serves as a perfect replacement for old or damaged watch spring balance wheels. 5、Easy Installation: Specialized watch spring is designed for easy installation, allowing you to replace the balance wheel quickly and effortlessly. The user friendly design is convenient for both professionals and DIY watch enthusiasts. Item Type: Mechanical Movement Mainspring Clockwork Material: Metal 1 x Mechanical Movement Mainspring Clockwork