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ChronoSync

Set your mechanical watch to the second.

ChronoSync helps you sync with confidence using a guided countdown, complication-specific watch faces, and practical setup tips.

Download on the App Store

ChronoSync Day-Date watch face

Sync

Use the guided countdown to line things up and set your watch right on time.

Countdown screen

Set

ChronoSync uses a clear signal with haptic feedback to tell you exactly when to set your watch.

Now prompt screen

Learn

Browse the different complication styles and quickly learn how GMT, dive, chronograph, and more work in practice.

Complication guide