Mechanical Watch Movement Mainspring Professional Alloy 8200 Watch Clockwork Spring Replacement for

Feature: 1. ROBUST AND STURDY: Watch clockwork spring is made of alloy material with high accuracy, wear and impact resistant, no deformation, strong and sturdy. 2. PRIMARY USE: Watch clockwork spring replacement is mainly used for replacing or repairing aged or damaged mainspring, easy to install and use. 3. SMOOTHER AND TIGHTER: Mechanical watch clockwork spring is associated with the mainspring of the 8200 movement, allowing for a smoother, tighter mainspring. 4. EXQUISITE WORKMANSHIP: Mechanical watch movement mainspring is small and convenient, easy to carry, exquisite workmanship, no scratches to the watch. 5. PROFESSIONAL ACCESSORIES: Watch movement mainspring is a professional watch repair accessory for watch repair stores and repair stores. Specification: Item Type: Watch Movement Mainspring Material: Alloy. Package List: 1 x Watch Movement Mainspring