No.1000 Timegrapher: precise mechanical watches tester
Lcd Display Screen: LCD screen shows the live digits of rate, amplitude, beat error,beat and lift angel
High Performance: mechanical watches tester instrument will automatically calculate the rate deviation, amplitude, be at error, and display them by the data in real time.For the conventional be at, the instrument can automatically respond; for the special be at, can manually select.
Practical Tools: timegrapher is a useful tool to determine how well your watches are running.
Watch Calibration Tool: for amateur watchmakers, watch manufacturers and watch technician