Setting the time and other functions on a light-powered watch ensures accurate timekeeping and proper utilization of features such as the calendar, chronograph, or world time. This involves specific procedures depending on the model, often using the crown and buttons on the watch case to adjust different settings. For example, one might pull the crown out to a certain position to adjust the time and then rotate it to change the hour and minute hands.
Accurate timekeeping is essential for daily life, from personal appointments to professional engagements. A watch powered by light offers the convenience of never needing a battery replacement, contributing to sustainability and long-term reliability. The development of light-powered technology represents a significant advancement in horology, eliminating the need for traditional batteries and their associated environmental impact.