Cal. No. F158
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Summer time (DST)
Setting summer time
Caution
Make sure that the watch is not wet before operating it.
- Pull the crown out to position 1.
- Press and Press and release the lower right button A.
- Push the crown in to position 0 to finish the procedure.
The second hand indicates the current world time setting and the function hand indicates the current summer time (DST) setting.
!
Each time you press the lower right button A, (SMT) ON/OFF switches alternately.
| (SMT) ON |  | Summer time is indicated. |
|---|---|---|
| (SMT) OFF |  | The standard time is indicated. |
The second hand returns to indicate the second.