L888.2 Mechanical Movement Mainspring Accessories Metal Watch Clockwork Spring for A31L01

Feature: 1. Perfect Fitment: Watch clockwork spring is associated with the spring of the A31L01 movement, allowing for a smoother, tighter mainspring. 2. Usage: Watch clockwork spring is mainly used for replacing or repairing aged or damaged mainspring, which is easy to install and use. 3. Widely Use: Watch movement mainspring used for watch movement maintenance, which is a tool for professional watchmakers to replace watch movements. 4. Fine Workmanship: Watch clockwork spring replacement with bright appearance and excellent workmanship, provide fine details to make it attractive. 5. Excellent Metal: Watch clockwork spring made of metal material, with high accuracy, rust prood and impact resistance, no deformation, strong and durable. Specification: Item Type: Watch Movement Mainspring for A31L01 Material: Metal. Package List: 1 x Watch Movement Main Spring