Accuracy at normal temperature: ± 15 seconds a month Digital Timekeeping: Hour, minutes, seconds, p.m. (PM), month, day, day of the week Time format: 12-hour and 24-hour Calendar system: Full Auto-calendar pre-programmed from the year 2000 to 2099 Other: Home City code (can be assigned one of 48 city codes); Standard Time / Daylight Saving Time (summer time)
Analog Timekeeping: Hour, minutes (hand moves every 20 seconds)
Stopwatch: Measuring unit: 1/100 second Measuring capacity: 999:59'59.99" Measuring modes: Elapsed time, Split time Indicator disk: Seconds, measurement status
Countdown Timer: Measuring unit: 1 second Input range: 1 minute to 24 hours (1-minute increments)
World Time: 48 cities (29 time zones) Other: Daylight Saving Time/Standard Time, Home City/World Time City Swapping
Alarms: 5 daily alarms (with 1 snooze alarm), Hourly Time Signal
Illumination: LED (light-emitting diode), Auto Light Switch; Selectable illumination duration
Other: Button operation tone on/off
Battery : Two silver oxide batteries (Type: SR927W)