**Basic Information**
Case Dimensions (L × W × H)
49.3 × 43.2 × 13 mm
Weight
167 g
Case and Bezel Material
Stainless Steel
Band
Solid Bracelet
Stainless Steel Bracelet
One-touch Fold Clasp
Construction
Shock Resistant
Water Resistance
Water resistant up to 200 meters
Time Adjustment
Radio-controlled watch; Multiband 6
Power Source and Battery Life
Tough Solar (Solar-powered)
Smartphone Link/ App Connectivity Functions
Smartphone Link
Mobile Link (Wireless connection via Bluetooth®)
Apps
CASIO WATCHES
App Connectivity Function
Auto Time Adjustment
Simple Watch Settings
Approximately 300 times in cities all over the world + user-added locations
Time and Place Reminder
Phone Finder
Exterior
Glass
Mineral Glass
Back Plate
Back with screw lock
Surface Treatment
Gold ion-plated case
Gold ion-plated band
AIP® (Arc Ion Plating) + ion coating
Compatible Band Size
150 to 205 mm
Functions
World Time
5 World Time, 39 time zones (39 cities + coordinated universal time), automatic daylight saving time switching, city and world time swapping
Stopwatch
1/100-second Stopwatch
Measurement Capacity: 00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measurement Unit: 1/100 seconds (for the first 60 minutes)
1 second (after 60 minutes)
Measurement Modes: Elapsed time, split time, 1st and 2nd place times
Timer
Countdown Timer
Measurement Unit: 1 second
Countdown Range: 24 hours
Countdown Start Time Setting Range: 1 second to 24 hours (in intervals of 1 second, 1 minute, and 1 hour)
Alarm/Hour Indicator
5 daily alarms (with 1 snooze alarm)
Hourly Signal
Illumination
LED Backlight (Super Illuminator) Fully automatic LED light, adjustable illumination duration (2 seconds or 4 seconds), afterglow
Illumination Color
LED: White
Calendar
Fully automatic calendar (up to the year 2099)
Mute Function
Button operation tone on/off
Energy Saving Function
Energy-saving (the display turns off to conserve energy when the watch is left in the dark)
Battery Indicator/Warning
Low battery warning
Operating Time
Estimated battery life: 10 months on rechargeable battery (with normal use without exposure to light after charging) 22 months on rechargeable battery (when stored in total darkness with energy-saving function turned on after full charge)
Accuracy
Accuracy: ± 15 seconds per month (without signal calibration and mobile link function)
Other Functions
12/24-hour format
Switching between date/month display
Day display (days of the week selectable in six languages)
Regular Timekeeping:
Hour, minute, second, PM, month, date, day
Time Adjustment Details
Time Calibration Signals
Station Name: DCF77 (Mainflingen, Germany)
Frequency: 77.5 kHz
Station Name: MSF (Anthorn, England)
Frequency: 60.0 kHz
Station Name: WWVB (Fort Collins, United States)
Frequency: 60.0 kHz
Station Name: JJY (Fukushima, Fukuoka/Saga, Japan)
Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga)
Station Name: BPC (Shangqiu City, Henan Province, China)
Frequency: 68.5 kHz
Time Calibration Signal Reception
Automatic reception up to six * times a day (remaining automatic receptions canceled once one is successful)
*Five times a day for Chinese calibration signal
Manual reception
Most recent signal reception results
Specifications
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