Watch Balance Wheel with Hairspring For VR3135 Movement Accessories DIY Parts Specifications: 100% brand new and high quality. Produced by a third party, not the original product. Repair parts for watch movement parts. Compatibility: Applicable to the China produced 3135 movement balance wheel. Note: This China 3135 movement balance wheel has two options: silver hairspring and blue hairspring. Please carefully identify the movement accessories you need. Package Include: 1 * balance wheel for China 3135 movement