Citizen Cal 8911 is an advanced digital-analog watch that combines the precision of quartz technology with a range of useful features. With its multiple functions, it's the perfect companion for those who value both style and functionality. The watch can display the time in 12 or 24-hour format, and it also features a perpetual calendar that automatically adjusts for leap years. You can set alarms and use the stopwatch function to time events. The watch also has a power cell life indicator to let you know when it's time to replace the battery.