The Day-Dates calendar shows the working day in the week spelt out in comprehensive within an arc-shaped window at 12 oclock in addition to the day in the independent window at 3 oclock. This Display screen depends on disc mechanisms; the day and day transform concurrently and instantaneously. Hans Wilsdorf https://alexisd8vtq.ampedpages.com/daydate-no-further-a-mystery-57490506