About Timegrapher.io
A free browser-based timegrapher for mechanical watch enthusiasts and collectors.
Why We Built This
Professional timegraphers cost $200-500+, putting them out of reach for many watch enthusiasts. We built Timegrapher.io to make watch timing accessible to everyone — collectors checking a new purchase, hobbyists learning to regulate their watches, or anyone curious about their mechanical watch's health.
How It Works
Our tool uses the Web Audio API to capture and analyze the tick-tock sounds from your mechanical watch through your device's microphone. By precisely measuring the time intervals between ticks, we calculate the same metrics that professional timegraphers display: rate, beat error, and beat rate.
Key Features
- Rate measurement in seconds per day
- Beat error detection in milliseconds
- Automatic beat rate identification
- Real-time tick visualization
- Works with any mechanical watch
- No installation or hardware required
- Free to use with no hidden costs
Accuracy Note
While a browser-based timegrapher using a standard microphone won't match the precision of a dedicated piezoelectric sensor, it provides useful readings for basic watch checking. For professional servicing or COSC-level accuracy verification, we recommend using a dedicated timegrapher machine.