Casio ECB-30DC-1A

Case size (L× W× H)
52.3 × 48.7 × 12.9 mm
Weight
148 g
Case / bezel material: Stainless steel
Band
Stainless Steel Band
One-touch 3-fold Clasp
Water resistance
100-meter water resistance
Power supply and battery life
Approx. battery life: 2 years on CR2016

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

Glass
Mineral Glass

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