A Seasonal One-Hour Change Causes a Tizzy to Electronic Watches TWICE Every Year

The original reason for this to help farmers who needed daylight to do their chores. But more recently they have powerful lights on their implements.

We have three electronic watches—a Casio F-91W, a Casio PERSONAL TRAINER, and a SEIKO ALARM PULSE METER CHRONOGRAPH. We cannot find any helpful information on the Web to help us change the time shown on the watches.