Specification:Condition: 100% Brand NewItem Type: 3035 MainspringMaterial: Alloy Usage: Used to replace broken or old movement mainspring in watchesModel: 3035 Package List:1 x MainspringNote:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. If you have any questions or concerns after receiving the product, please feel free to contact us so we can help.4. If the product has quality problems, we will replace or compensate you for free as soon as possible.