Features

How to use


H80*

Receiving the time signal

Receiving the time signal manually (On demand reception)

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You cannot use this function while using the chronograph.

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For details of signal reception, see “About signal reception”.

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It takes up to 15 minutes to finish signal reception.

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Signals to receive are different depending on the time zone you set for the world time.
For details, see “Table of time zones and representative places”.

  1. Push the crown in to position 0.
  2. Press and hold the lower right button A for 2 seconds or more.
  3. The chronograph 1/20 second hand indicates the result of the last signal reception.
    After that, the chronograph 1/20 second hand points to “RX” and signal reception starts.

  4. Put the watch in the place with good conditions for time signal reception.
  5. !

    Do not move the watch as far as possible while the chronograph 1/20 second hand points “RX”.


    After the reception finished, the reception result (OK/ NO) of this time is indicated and the watch returns to normal indication.

To cancel signal reception

Pressing and holding the lower right button A for 2 seconds or more while the second hand points “RX” cancels signal reception and the watch returns to normal indication.

Related articles

Table of time zones and representative places Types of signal reception When receiving the time signal Note on the time signal Poor reception areas

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About chronograph

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