Casio G-Shock Classic GA300BA-1A

This new model combines G-SHOCK signature basic black with blue accents for a look that is nothing but cool. Based on the popular large case GA-300, this new variation adds sky blue coloring in the form of lettering at the top and the bottom of the bezel and case, and the hour and minute hands.

Technical Specs

Shock Resistant
200 Meter Water Resistant
Magnetic Resistant
Auto LED Light (Super Illuminator) with Afterglow
World Time 
31 times zones (48 cities + UTC), daylight saving on/off, city code display, home city/world time swapping
4 Daily Alarms and 1 Snooze Alarm
Hourly Time Signal
1/100 Second Stopwatch 
Measuring capacity: 999:59'59.99" 
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown Timer 
Measuring unit: 1 second 
Countdown range: 24 hours 
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Full auto-calendar (pre-programmed until the year 2099)
12/24 Hour Formats
Accuracy: +/- 15 seconds per month
Battery: SR927W x 2
Approx. battery life: 3 years
Module 5259

Size of case/total weight
GA303B 55.1 x 52.2 x 16.5mm / 72g
GA300 55.1 x 52.5 x 16.7mm / 80g
GA300BA 55.1 x 52.2 x 16.5mm / 72g