The HOROTEC® FLASHTEST is an advanced, multifunctional and portable tester for analogue quartz watches and movements. This handy precision tester performs a variety of tests with both closed and open watchcases on analogue quartz watches. Functions : - Measure battery voltage from 0 to 19.99 V - Measure battery voltage under load from 0 to 19.99V - Measure impulses from quartz watches to determine if a problem is electronic or mechanical - Measure the continuity of the coil - Measure the consumption of the electronic circuit to determine whether or not it needs replacement - Measure the consumption of the movement to determine if there is any mechanical problem indicating the need for cleaning or adjustment - Measure the accuracy of the analogue quartz watches