M-Tester6000AMechanical watch tester is used to test the performance of mechanical watches. On the large size colored LCD screen, the diagram of watch beats is displayed. At the same time, the numerical values of rate, amplitude and beat error are automatically calculated and displayed. If a printer is equipped, all displayed diagrams and the numerical values could be printed. The tester is with 2 testing modes, normal testing mode and programmed one, and 2 diagram display modes, pushing mode and extending mode. The functions of multi-rate display, diagram shift, time and calendar display, acoustic stimulation of beat noise and function of testing pause are all served by M-Tester 6000A.