Features: [Sound Guide Rail]: Wear-resistant and comfortable, transmits data to the meter. [Sliding Clips]: Secures the dial during measurement; removable jaws adjust to fit various dial sizes. [Indicator Light]: Red indicator light illuminates and flashes when powered on. [Data Transfer Terminal]: Enables data upload to a computer; accurate and easy to use. Compatible with tablets, laptops, and desktop computers. [Multi-functional Design]: Supports signal value, daily rate, polarization, oscillation, frequency, and waveform display; allows frequency and angle adjustment. This calibrator is used to calibrate mechanical watches. It measures time accuracy and error, and supports calibration for improved accuracy and stability. It is a key tool for watchmakers, watch repairers, and watch collectors. Material: Plastic Color: Grey Package Contents: 1 x Watch Calibrator 1 x Data Cable Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.