LED light Selectable illumination duration (1.5 seconds or 3 seconds), phosphorescence World Time 29 time zones [27 cities + GMT (Greenwich Mean Time)] daylight savings time (on / off) 1/100-second stopwatches Measuring capacity: 5959.99-inch Measuring modes: time elapsed, time division, 1st and 2nd place times Timers Measuring unit: 1 second Counting range: 60 minutes Initial setting of the count range: 1 to 60 minutes (increments of 1 minute) Others: automatic repeat, progress beep 5 daily alarms (1 alarm with snooze function) Hourly signaling Complete automatic calendar (until the year 2039) 12/24 hour formats Regular time Analog: 2 hands [hour, minute (hands move every 20 seconds)] Digital: hour, minute, second, pm, month, date, day Accuracy:± 30 seconds per month Battery life: 2 years with SR726W × 2 Case size: 46.3 × 43.4 × 15.8 mm Total weight: 47g