Module No. 3459/3461


Accuracy at normal temperature:

±15 seconds per month average when time adjustment by time calibration signal reception or by communication with a phone 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.

Signal Receive Functions:

Auto receive, manual receive

Auto summer time switching

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)

OFF: Signal receive disabled

World Time:

Displays current time in 39 cities (39 time zones) and for UTC, auto summer time setting

Home City/World Time City swapping


Measurement unit: 1/100 seconds (first hour); 1 second (after first hour)

Measurement range: 23 hours, 59 minutes, 59 seconds (24 hours)

Measurement functions: Elapsed time, split time, two finishes


Time alarm

Alarms: 5 (with one snooze alarm)

Setting units: Hours, minutes

Beeper: 10 seconds

Hourly time signal

Beeps every hour on the hour


Measuring unit: 1 second

Countdown range: 24 hours

Setting unit: 1 second

Time up: 10-second beeper

Mobile Link:

Auto Time Adjustment

Time setting adjusted automatically at preset time

One-touch Time Correction

Manual connection and time adjustment

Phone finder

Watch operation sounds the alert sound of the mobile phone

World Time

Current time for approximately 300 cities selected for the watch

Home Time/World Time swapping

Original city function (location and name settings)

Auto Summer Time Switching

Automatic switching between standard time and summer time

Timer Settings

Alarm Settings


Reminds you of anniversaries and other important dates.

Data Communication Specifications


Frequency Band: 2400MHz to 2480MHz

Maximum Transmission: 0 dBm (1 mW)

Communication range: Up to 2 meters (depends on environment)


LED light, light duration setting, Full Auto Light, Power Saving, Button operation tone on/off, Month/day order, Day of the week language, Auto time adjustment on/off

Power Supply:

Solar panel and one rechargeable battery

Battery operating time: Approximately 10 months


Not exposed to light under the conditions below.
Auto time adjustment: 4 times/day
Alarm: Once (10 seconds)/day
Illumination: Once (2 seconds)/day
Power Saving: 6 hours/day

Specifications are subject to change without notice.