Hottptyer watch Mainspring winder Set Solid brass Construction Accurate tension adjustment using a crown tool in repair workshops with ergonomic design

[PRECISE WINDING] Designed for watchmakers horologists and jewelry workshops this mainspring winder set assists with precise winding and accurate tension adjustment during movement servicing. The functional tool supports careful repair work across professional and hobbyist settings. [WIDE MOVEMENT SUPPORT] This crown winder tool supports watch repair tasks across multiple movement types including 2000 2671 3135 and 2824. It helps streamline mainspring servicing when maintaining different watch movements. [SOLID BRASS BUILD] Crafted from solid brass this watch repair kit resists wear and deformation during repeated use. The material provides a dependable foundation for workshop maintenance tasks and hands on horology projects. [VERSATILE HOROLOGY TOOL] The watch repair accessory supports servicing for over 10 movement types including 7750 2892 and 2836. Its broad compatibility helps watchmakers address varied repair and maintenance requirements. [ERGONOMIC DESIGN] Tailored for watchmakers and enthusiasts this professional toolset combines an ergonomic design with functional reliability. It supports efficient handling during intricate repair procedures in workshops or home projects.