Casio Edifice Smartphone Link Bluetooth Men's Watch- ECB-30DC-1A

Smartphone Link/App Connectivity Features
Smartphone Link feature
Mobile link (Automatic connection, wireless linking using Bluetooth®)
Apps
CASIO WATCHES
App connectivity feature
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Stopwatch data transfer
Schedule timer
Phone finder
Exterior
Glass
Mineral Glass
Surface treatment
Gray ion plated case
Gray ion plated band
Compatible band size
150 to 205 mm
Watch Features
World time
World time 
38 time zones (38 cities + coordinated universal time), daylight saving on/off, 
auto summer time (DST) switching, 
Home city/World time city swapping 
Stopwatch
1/1000-second stopwatch
Measuring capacity:
00'00''000~59'59''999 (for the first 60 minutes)
1:00'00''0~23:59'59''9 (after 60 minutes)
Measuring unit:
1/1000 second (for the first 60 minutes)
1/10 second (after 60 minutes)
Measuring modes: Elapsed time, lap time
Timer
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
Alarm/hourly time signal
5 daily alarms
Hourly time signal
Light
Double LED light
LED light for the face (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
LED backlight for the digital display (Auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
Light color
LED:White
Calendar
Full auto-calendar (to year 2099)
Mute feature
Button operation tone on/off
Accuracy
Accuracy: ±15 seconds per month (with no mobile link function)
Other features
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
Airplane mode
12/24-hour format
Schedule beeper on/off
Date/month display swapping
Day display (days of the week selectable in six languages)
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (linked to each mode)
Digital: Hour, minute, second, pm, month, date, day