Engineering: Crafted with meticulous attention to detail to deliver performance and durability for all needs. Comprehensive Toolset: This set includes essential tools suitable for various watch types and tasks, from simple battery replacements to intricate mechanical adjustments. German Oil Washer: Equipped with a German oil washer, this tool minimizes spills and ensures precise lubricant application on small watch components. Compact Design: The portable and compact design makes it easy to store and transport, allowing professional watchmakers and hobbyists to work on repairs anywhere. Use scenario: Battery replacement on quartz watches using the comprehensive toolset to access the movement, remove the old battery, and reseal as needed (for quick, everyday servicing). Use scenario: Mechanical movement servicing and adjustments that require careful handling and precise operation on delicate components. Use scenario: Precision lubrication tasks on small components, where the German oil washer helps control lubricant application and minimizes spills.