1. This watch movement clockwork is made of good Aluminum alloy material, sturdy and 2. The watch repair tool is small and portable, easy to take to any occasion 3. Suitable for watch repairers and repair shop, which can be used for a long time 4. The product can better replace movement clockwork when repairing the watch, which is very practical 5. Come with stable structure, excellent performance and long service life Specification: Item Type: Watch Movement Clockwork Purpose: Replace old or broken movement clockwork, long service life Model:3135 Colour:As shown Material:Aluminum alloy Package Contents: 2 x Watch Movement Clockwork Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.