1Replacement For ST17: Replace old or broken mechanical watch movement automatic wheels, and specially designed for ST17 watch movement. 2Easy Installation: Open the back cover of mechanical watch and replace the automatic wheel with professional removal tools and repair tools. 3Watch Repair: A professional watch repair replacement parts, perfect for watch repairers and watchmaker, perfectly for watch maintenance. 4Accurate Workmanship: With fine and delicate design, watch movement automatic wheel can ensure that watch hand work properly. 5Long Lasting: Made of excellent alloy material, which is effectively resist oxidation and rust, durable and sturdy, not easy to deform.
