If your home city setting is LAX, DEN, CHI, or NYC, the watch uses the 60kHz frequency broadcast from Fort Collins. If your home city is TYO, the watch uses the 40kHz signal broadcast from Fukushima, or the 60kHz signal broadcast from Fukuoka. This is a big improvement over older Casio atomic Replica Omega 3815.70.36 Speedmaster Watch Ive had which actually require you to set the frequency directly.Its worth noting that your home city setting is different from the world time feature. Your home city is used to determine the atomic clock broadcast frequency, and your offset from GMT (the number of hours difference between where you are and Greenwich Mean Time).

Your home city is a setting as opposed to a mode. World time is a mode, and does not effect time calibration or the analog time. World time uses the LCD at 3 oclock to show you what time it is elsewhere in world which allows you to keep your eye on the time in two different places as onceimperative for anyone who Replica Omega 2284.50 Seamaster 300m Watch travels with any frequency.There are certain limitations on your ability to receive a time calibration signal, both here and in Japan. You might experience difficulties receiving a signal while in a building, while moving, while near certain electronics, while under or near high-tension power lines, or while in the mountains.

If you dont already own an atomic clock or watch, and you are wondering if you will be able to calibrate where you live, you might want to buy an inexpensive atomic device at your local Target or Wal-mart just to make sure you can indeed receive a signal before spending $300 or $400 on a high-end atomic Casio. Ive tested this watch on both coasts of the US, and found I was able to get a signal in both places.AvailabilityThe GW-1100 and related watches are not the easiest Casios to come by in this Replica Omega1381.70 Double Eagle Quartz Watch country, unfortunately, but theyre also not impossible to find. I had the all-back model shown here shipped from Kyoto,