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 reference library contains over 1,500 Casio watch manuals. You need to look up the module number of your watch to find the right one. It should be engraved on the case back. Find that number in the list below to view the owner's guide and instructions for that watch.