One thing to keep in mind though is that both schizophrenia and dementia affect the same section of the brain. However, if the patient has late onset schizophrenia (after the age of 40), the likelihood of impending dementia is increased. The likelihood for Alzheimer's remains the same however as the general population.
This is because the watch is not making allowances for Daylight Saving Time (summertime). Change the watch's DST setting* to Auto DST, and it will adjust the hour setting automatically. Note that you should turn off the DST setting if you are in an area where Daylight Saving Time (summer time) is not used.
This guide explains how to set the time, world time, alarm, and countdown timer. Using the different features of a Casio watch is easy when knowing what the different buttons do. The Adjust button is on the top left. The Mode button is on the bottom left; press it to change from one mode to another.