Lotus ILM6P27 Manuel D'instruction page 9

SETTING THE DAY AND TIME (HOUR, 24 HOUR, MINUTE AND SECOND)
The hour, 24 hour, minute, second and day are set by the same operation.
SETTING PROCEDURE
DAY HOUR & 24HOUR
ILM6PS27/77
MINUTE SECOND
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ILM6PS27/77
SETTING THE DAY AND TIME (HOUR, 24 HOUR, MINUTE AND SECOND)
SETTING THE DAY
Pull the crown out to the 2nd position to stop the second hand at 0 (12 o'clock).
Turn the hour/minute hands in a clockwise direction to set a day
In order to set the day, you must advance the hour hand by 24 hours per day.
NOTE:
* If the day is set by turning the crown counterclockwise, there is the
possibility the date will not change over. Do not set the day by turning the
crown in counterclockwise direction.
* The day changes somewhere between 0:00a.m. and 5:30a.m. or a little
later.
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