"Accuracy at Normal Temperature +/-15 Seconds a Month with No Signal Calibration Digital Timekeeping: Hour, Minutes, Seconds, am/pm, Month, Day, Date, Calendar Pre-Programmed until the year 2099, Home City Code, & Daylight Savings Time Time Calibration and Signal Reception: Auto receive up to six times a day, Manual receive, Last signal screen Receivable Time Signals: Minflingen, Germany; Rugby, England; Fort Collins, Colorado (US); Fukushima, Japan; and Fukuoka/Saga, Japan Analog Timekeeping: Hours, Minutes (Minute Hand moves every 20 seconds; Digital Markers count the seconds) World Time: 48 Cities (29 Time Zones) Alarms: Daily Alarm, Hourly Time Signal Countdown Timer: Measuring Unit 1 Second, Input Range 1-60 Minutes in 1 Minute Increments Stopwatch: Measuring Unit 1/100 Second; Measuring Capacity 59:59:99 Measuring Modes: Elapsed Time, Split Time, Two Finishes Illumination: LED Light by Push Button Battery Level Indicator Power Saving Button Operation Tone On/Off Power Supply: Solar Cell and Rechargeable Battery Approximate Battery Operating Time: 7 Months when given a Full Charge, with normal use 46mm Case Width (Approximately 1 13/16"") 14mm Case Thickness (Approximately 9/16"")"