ONEOF Accuracy 4+

Unlock the full potential of your mechanical watch with ONEOF® Accuracy. Get all the pro features used by Swiss watchmakers on your iOS device today.

Introducing ONEOF® Accuracy, the high-end integrated tool that provides a complete diagnosis of your mechanical watch on your Apple device. Developed by Swiss watch experts, ONEOF® Accuracy offers unparalleled precision and accuracy in identifying issues with your watch's performance.

Simply place the crown of your watch against a ONEOF® Accuracy sensor, and after a few seconds of initialization, you'll get all the detailed technical information about your watch, including rate accuracy, amplitude, beats per hour, signal analyzer, and graph. The user-friendly app lets you save all the results in your watch database, making it easy to track your watch's performance over time.

With ONEOF® Accuracy, watch aficionados can now have access to the same level of diagnostic instruments used by Swiss watch manufacturers. Whether you're a watch lover or a watchmaker, there's a device for you:

ONEOF® Accuracy²: pocket-sized acoustic measurement device for watch lovers.
ONEOF® Accuracy Boutique Edition: acoustic measurement device with an integrated demagnetizer for watch boutiques and watch lovers.
ONEOF® Accuracy Pro: manual multi-position measurement device for watchmakers.
ONEOF® Accuracy Motion: motorized multi-position measurement device for watchmakers.

Please note that for accurate results, it's important to use a dedicated ONEOF® Accuracy sensor. Simple headsets won't work, and if you decide to use a DIY sensor, the measurement duration is limited to 30 seconds.

Take your watch maintenance to the next level with ONEOF® Accuracy. Download the app now and experience the precision and accuracy that only Swiss watch experts can provide. Visit www.h2i.ch to get your ONEOF® Accuracy device today.