Casio F-B100W-3AEF Bluetooth Classic Digital Watch

A timeless Casio digital watch evolved for the connected age.
Bluetooth® Mobile Link technology syncs effortlessly with your smartphone, bringing smart features to your wrist. The integrated motion sensor logs your daily steps in real time, displayed on the crisp LCD screen.
Stay punctual with automatic time synchronisation. The companion app puts control at your fingertips-adjust settings, monitor activity metrics and work towards your movement targets with ease.
Lightweight resin construction and a breathable strap ensure comfort from morning to night, whether you're at work or on the move.
Where classic Casio heritage meets modern wellness tracking, this watch adapts to your lifestyle.
We are a Casio UK authorised dealer
New boxed stock with full retail boxes & paperwork
Basic Information
Case size (L× W× H)
41.9 × 38.1 × 8.8 mm
Weight
icon-question for Weight
26 g
Case and bezel material
Resin
Band
Bio-based resin band
Water resistance
Water Resistant
Time adjustment
Bluetooth: Connects to a smartphone and automatically adjusts the time
Power supply and battery life
Approx. battery life: 2 years on CR2016
Sensor feature
Step Count Measurement:
Step count display range: 0 to 999,999 steps 
Step goal progress display (step count goal setting range: 1,000 to 50,000, 1,000-step increments)
Step reminder (Informs you when your step count is too low, by display and beep)
Step count graph (Hourly step count for the past 7 hours on a 6-level graph)
Country of origin
Thailand
Smartphone Link/App Connectivity Features
Smartphone Link feature
Mobile link (Wireless linking using Bluetooth®)
Apps
CASIO WATCHES
App connectivity feature
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Life log data
Time & place
Phone finder
Exterior
Glass
Resin Glass
Compatible band size
145 to 205 mm
Watch Features
World time
Dual time (home time swapping)
Stopwatch
1/100-second stopwatch 
Measuring capacity:
00'00''00 to 59'59''99 (for the first 60 minutes) 
1:00'00 to 23:59'59 (after 60 minutes) 
Measuring unit: 
1/100 second (for the first 60 minutes) 
1 second (after 60 minutes) 
Measuring modes: Elapsed time, lap time, split time
Recorded data: Up to 200 records (measurement start year, month, date, hour, minute, lap/split times)
Timer
Countdown timer
Measuring unit: 1 second
Countdown range: 60 minutes
Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments)
Alarm/hourly time signal
5 daily alarms
Hourly time signal
Light
LED backlight
Selectable illumination duration (1.5 seconds or 3 seconds), afterglow
Light color
LED: Green
Calendar
Full auto-calendar (to year 2099)
Mute feature
Button operation tone on/off
Energy saving feature
Power Saving on/off
Battery display/alert
Low battery alert
Accuracy
Accuracy: ±15 seconds per month (with no mobile link function)
Other features
12/24-hour format
Regular timekeeping:
Hour, minute, second, pm, year, month, date, day