Features

How to use


H80*

Summer time

Changing the summer time setting

Changing the time currently indicated

!

The switching function of summer time setting is correspondingly switched to “manual” when the summer time setting is changed from “SMT ON” to “SMT OFF”.

  1. Pull the crown out to position 1.
  2. The hands indicate the current setting as follows.

    Second handWorld time setting
    Chronograph minute handSummer time setting (SMT ON/OFF)
    Chronograph 1/20 second handSwitching function of summer time setting (automatic/manual)
  3. Rotate the crown to select an area.
  4. !

    Proceed to the next step after the hands stopped.

  5. Press and release the upper right button B.
  6. Each time you press the button, the summer time setting of the indicated area is switched alternately.

    Summer time settingIndication of the chronograph minute hand
    SMT ON
    Summer time is indicated.
    SMT OFF
    The standard time is indicated.

    !

    Each time you press the upper right button B, the summer time setting changes alternately.

  7. Push the crown in to position 0 to finish the procedure.
  8. The watch returns to normal indication.

Changing the setting of the switching function of summer time setting

  1. Pull the crown out to position 1.
  2. The hands indicate the current setting as follows.

    Second handWorld time setting
    Chronograph minute handSummer time setting (SMT ON/OFF)
    Chronograph 1/20 second handSwitching function of summer time setting (automatic/manual)
  3. Rotate the crown to select an area.
  4. !

    Proceed to the next step after the hands stopped.

  5. Press and hold the lower right button A for 2 seconds or more.
  6. For the indicated area, the setting of the switching function of summer time setting.

    Switching setting of summer time settingIndication of the chronograph 1/20 second hand
    Automatic
    Manual

    !

    Release the button as the chronograph 1/20 second hand start to move.

    !

    Each time you press and hold the upper right button A for 2 seconds, the setting of the switching function of summer time setting changes alternately.

  7. Push the crown in to position 0 to finish the procedure.
  8. The watch returns to normal indication.

Related articles

About summer time Checking the summer time setting Switching function of summer time setting

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Checking the previous signal reception result

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