Specifications
Accuracy at normal temperature:
±15 seconds per month when time correction by time calibration signal reception or by communication with a phone is not possible.
Timekeeping:
Hour, minute (10-second hand movement), second, day (Full Auto Calendar 2000 to 2099), day of the week
Signal Receive Functions:
Auto receive, manual receive
Auto transmitter selection (for JJY, MSF/DCF77)
Receivable Call Signs
JJY (40kHz/60kHz), BPC (68.5kHz), WWVB (60kHz), MSF (60kHz), DCF77 (77.5kHz)
Automatic and manual switching between standard time and summer time.
Auto time correction enable/disable switching
World Time:
Current time in 38 time zones (including 27 world cities)* and Coordinated Universal Time (UTC) time display, summer time auto switching
* Subject to updates by connection between the watch and a phone.
Stopwatch:
Measuring unit: 1 second
Measuring capacity: 23:59’59” (24 hours)
Measuring functions: Elapsed time
Alarm:
Daily alarm
Setting units: Hours, minutes
Beeper: 10 seconds
Timer:
Setting unit: 1 minute
Countdown range: 24 hours
Measuring unit: 1 second
10-second beeper when the end of the countdown is reached
Mobile Link:
Auto Time Correction
Time setting corrected automatically at preset time
One-touch Time Correction
Manual connection and time correction
Phone finder
Watch operation sounds the alert sound of the phone.
Home Time swapping
Auto Summer Time Switching
Automatic switching between standard time and summer time
Timer Settings
Alarm Settings
Hand alignment correction
TIME&PLACE
Auto time correction enable/disable switching
Data Communication Specifications
Bluetooth®
Frequency Band: 2400MHz to 2480MHz
Maximum Transmission: 0 dBm (1 mW)
Communication range: Up to 2 meters (depends on environment)
Other:
High-luminosity LED light (Super Illumination, afterglow)
Auto hand alignment correction
Power Saving
Battery Indicator
Low Battery Alert
Power Supply:
Solar panel and one rechargeable battery (Type: CTL920)
Battery nominal voltage: 2.3V
Approximate Battery Life:
Approximately 5 months
Conditions
Auto time correction using a smartphone: 4 times/day
Alarm: Once (10 seconds)/day
Illumination: Once (1.5 seconds)/day
Power Saving: 6 hours/day
Specifications are subject to change without notice.