Hottptyer watch Movement mainspring Alloy Construction Wear Resist Simplifies repairs using a mechanical with easy installation for hobbyists and professionals

[RELIABLE REPLACEMENT] This mechanical watch mainspring supports repairs and replacements for aging or damaged springs. Its compact design helps simplify installation and operation while restoring essential function to compatible watch movements. [ALLOY CONSTRUCTION] Made from alloy material this watch movement spring offers accuracy impact durability and shape retention. The construction helps resist scratches and wear during regular handling by watchmakers and enthusiasts. [3600 AND 3601 USE] Designed for watch movement maintenance this clockwork spring is suited to compatible 3600 and 3601 movement applications. It provides a practical replacement component for repair work and mechanical watch servicing. [EASY INSTALLATION] The compact mainspring design helps make replacement more convenient during repair tasks. Users can remove an aging or damaged spring and install the replacement with straightforward operation for efficient movement maintenance. [WATCHMAKER TOOL] Suitable for professional watchmakers hobbyists and mechanical watch enthusiasts this replacement spring supports routine servicing. It offers a practical component for maintaining watch mechanisms and completing repair projects.