OnTime: Your Precision Companion
The Ultimate App for Luxury Watch Collectors.AI-powered winder settings. Atomic time sync. Service tracking. All in one app.
500+Watch Calibers
100%GDPR Compliant
0Data Shared
Engineered in GermanyEngineered for Privacy
Engineered in Germany
GDPR Compliant
No Cloud Storage
Data Stays Yours
FeaturesEverything You Need to
Everything You Need to
Protect Your Investment
Purpose-built tools for the discerning collector who demands precision.
AI Precision
AI-Powered Precision & TPD Database
Stop guessing. Get perfect TPD and rotation settings for every caliber. Access data for 500+ movements.
NTP Sync
Atomic Time Sync
Sync your watch with atomic time (NTP) to verify accuracy. Millisecond precision for your chronometer.
Health Alerts
Service & Health Tracking
Get low power reserve alerts and maintenance reminders. Build a digital service history to boost resale value.