Multifunction Mechanical Watch Calibrator Testing Timegrapher Calibration Tool NO1900 Timegrapher, Watch is not include
Dimensions:185*120*40mm,Display dimensions:95*54 mm,Line Length:480 points,Measuring position: 1 to 6 positions
Microphone size:115*100*90mm
Measuring Possibilities: Rate Deviation,Amplitude,Beat Error
Rate deviation measurement: the range of deviation is+- 999 sec / day, precision 1.0 sec/day.