±15 seconds per month average when time adjustment using signal reception is not possible.

Hour, minute, second, year, month, day, day of the week

a.m./p.m.(P)/24-hour timekeeping

Full Auto Calendar (2000 to 2099) *

* Year display on setting screen only.

Auto receive, manual receive

Auto transmitter selection (for JJY, MSF/DCF77)

Receivable call signs:
JJY (40 kHz/60 kHz), WWVB (60 kHz), MSF (60 kHz), DCF77 (77.5 kHz), BPC (68.5 kHz)

Automatic and manual switching between standard time and summer time.

48 cities (31 time zones) and Coordinated Universal Time (UTC)

Summer time

Home Time swapping

Alarms: 5 (with one snooze alarm)

Setting units: Hours, minutes

Alarm tone duration: 10 seconds

Hourly time signal: Beep every hour on the hour

Measurement units:

1/100 seconds (first hour); 1 second (after first hour)

Measuring range:

23 hours, 59 minutes, 59 seconds (24 hours)

Measurement Functions:

Elapsed time, split times, 1st and 2nd place finisher times

Measuring unit: 1 second

Countdown range: 24 hours

Time setting unit: 1 second

10-second beeper when the end of the countdown is reached

Full auto LED light, light duration setting, Power Saving, charge level indication, operation tone enable/disable, selectable date format, selectable day of the week language, auto time adjustment enable/disable

Solar panel and one rechargeable battery

Battery operating time: Approximately 10 months

Conditions:

Not exposed to light under the conditions below.

Time signal reception: 4 minutes/day

Alarm: Once (10 seconds)/day

Illumination: Once (1.5 seconds)/day

Power Saving: 6 hours/day