Feature: 1. Replacement: Golden watch movement third wheel is able to replace the second wheel of the old or broken mechanical watch movement, which is very convenient. 2. Professional: Watch movement third wheel is specially designed for ST25 watch . If you want to use it, you need to pair the corresponding watch parts to use. 3. Easy To Operate: Alloy watch movement third wheel has exquisite and delicate workmanship, which is simple and convenient to install and for you. 4. Multi Application Crowd: Watch accessory third wheel is very suitable for watchmakers and watchmakers, and it is their good helper to let them work effectively. 5. Alloy Material: Watch part third wheel is made of alloy material, effective oxidation resistance and rust prevention, which is and has a long service life. Specification: Item Type: Watch part third wheel Material: Alloy Package List: 1 x Watch Part Third Wheel