Orient ES(46C) Manual Del Usuario página 16

 HOW TO SET THE DAY OF THE WEEK [FP(46W)]
There are models that indicate the day of the week with l (dot) or ▲ (arrow).
Though display methods are different, operation methods are the same.
See below for operation methods.
(Dot-indicating type)
Press the click button at the two o'clock position to set the day of the week.
SUN MON TUE WED THU FRI SAT
SUN MON TUE WED THU FRI SAT
(Arrow-indicating type)
Press the click button at the two o'clock position to set the day of the week.
* For types of watches with a click button that cannot be pressed with your
finger (i.e. the "hidden button" type)
The day of the week can be set by pressing the click button using a sharp,
pointed object such as a precision screwdriver, a pair of tweezers or a metal
pin.
The layout of the days of the week and the location of the window vary from
model to model.
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