GBD-300-1,GMD-B300-1

GBD-300-1

Specifications
Case / bezel material: Resin / Bio-based resin
Bio-based resin band
Shock Resistant
Mineral Glass
200-meter water resistance
LED backlight (Super illuminator)
Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow  LED:White
Mobile link (Automatic connection, wireless linking using Bluetooth®)
Apps : G-SHOCK MOVE
Bluetooth: Connects to a smartphone and automatically adjusts the time
Sensor feature
Training Function Display of distance, speed, pace, and other calculated values based on accelerometer, auto/manual lap times, Auto Pause, target alert setting (time, calories burned) on/off, training display customization (elapsed time, distance, pace, lap time, lap distance, lap pace, average pace, speed, average speed, calories burned)
App connectivity feature
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Notification function (incoming calls, incoming e-mails, new social media posts, calendar notifications, reminders)
Activity history
Life log data
Distance correction by smartphone GPS
Training plan creation
Phone finder
World time
38 time zones* (38 cities + coordinated universal time), daylight saving on/off, auto summer time (DST) switching
*May be updated when connected to a smartphone.
Stopwatch
1-second stopwatch Measuring capacity: 99:59'59'' Measuring modes: Elapsed time, split time
Timer
Countdown timer Timer for interval measurement (up to five time settings) Measuring unit: 1 second Input range: 00'00" to 60'00" (1-second increments) Others: Auto-repeat (number of repeats settable from 1 to 20)
Life Log Data
Daily data display (step count), Monthly data display (running distance)
Training Data (Up to 100 runs, up to 140 lap times per run)
Full auto-calendar (to year 2099)
Button operation tone on/off
Power Saving (Display goes blank to save power 3 hours everyday.)
4 daily alarms with snooze
12/24-hour format
Flight mode
Regular timekeeping: Hour, minute, second, am/pm, month, date, day
User profile creation
Vibration on/off
Elapsed time, distance, pace, calories burned
Accuracy: ±15 seconds per month (with no mobile link function)
Approx. battery life: 2 years on CR2032
Size of case : 48.9 × 47.4 × 14.9 mm
Compatible band size : 145 to 215 mm
Total weight : 60 g

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GMD-B300-1

Specifications
Case / bezel material: Resin / Bio-based resin
Bio-based resin band
Shock Resistant
Mineral Glass
200-meter water resistance
LED backlight (Super illuminator)
Auto light switch, selectable illumination duration (1.5 seconds or 3 seconds), afterglow  LED:White
Mobile link (Automatic connection, wireless linking using Bluetooth®)
Apps : CASIO WATCHES
Bluetooth: Connects to a smartphone and automatically adjusts the time
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 count graph（Hourly step count for the past 7 hours on a 6-level graph） Step indicator
App connectivity feature
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Life log data
Stopwatch data transfer
App information
Time & place
Phone finder
World time
Dual time (home time swapping)
Stopwatch
1/100-second stopwatch Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (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 Timer for interval measurement (up to five time settings) Measuring unit: 1 second Input range: 00'00" to 60'00" (1-second increments and 1-minute increments) Others: Auto-repeat (number of repeats settable from 1 to 20), auto start
5 daily alarms
Hourly time signal
Full auto-calendar (to year 2099)
Button operation tone on/off
Power Saving on/off
Low battery alert
12/24-hour format
Regular timekeeping: Hour, minute, second, pm, year, month, date, day
Accuracy: ±15 seconds per month (with no mobile link function)
Approx. battery life: 2 years on CR2016
Size of case : 46.4 × 43.8 × 12 mm
Compatible band size : 145 - 190 mm
Total weight : 41 g