


Technology
Atomic Timekeeping
Bold design. Superior accuracy. A margin of error of
just one second in 100,000 years.
Time Signal Reception
Using radio control, this technology automatically updates the time and date of your watch based on a time signal from an atomic clock with a margin of error of one second every 100,000 years. Time signals are received from transmitters, or atomic clocks, in four different regions: Europe, the United States, China, and Japan.

- Applies to world multiband models.
- Map is a rough illustration only.
- Concentric circles indicating time signals on the map are purely for illustrative purposes and do not indicate actual ranges.
- Different models have different coverage
- Reception can be affected by radio noise, local topography, buildings and weather.
- Time differences and city names may change depending on the country/territory.