ONEOF Accuracy² Watch Timing Tool.
A watch. A sensor. An app.
The sensor detects every single vibration of the watch, converts them into a highly amplified audio signal and transmits it to the app to display a full range of technical information: frequency of the escapement, instantaneous and average accuracy, amplitude of the balance wheel, cumulated graphs...
Everything you need to take care of your watch. In only a few seconds.
Small, fun, powerful.
The measurement tool for mechanical watch lovers.
Download app - Plug-in device - Place your watch on the sensor - Wait for result
ONEOF accuracy² is a stand-alone device. It requires no battery or power supply. Plug it and forget it. It is that simple.
Dimensions: 40mm x 40mm x 7.50mm
Supplied with Apple Lightning to USB adapter.
For IOS or Android, suitable device (phone or tablet) is also needed (not supplied).