Features: Professional Watch Timegrapher Tester delivers high precise calibration for mechanical watches, featuring antimagnetization technology and multiplatform compatibility. Equipped with triple ceramic capacitors, noise reduction foam, and rugged hard plastic housing for shock resistant durability in workshop environment. Design for watchmakers, hobbyists, and collector requiring accurate amplitude and day difference measurements for luxury timepiece maintenance. Perfectly for professional repair shops, home studios, and daily maintenance with real time waveform analysis via desktop and mobile interfaces. Advanced microelectronic circuits ensure zero magnetization risk during testing, while integrated vibration sensors optimizing calibration accuracy across all mechanical watch types. Specifications: Product Dimension: Approx. 9.8x6.5cm/3.86x2.56inch Component: Plastic Package Includes: 1PC Watch Calibration Tester note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.