Can’t choose between G-Shock GBA-900 and GBA-800? Enjoy our comparison table and the best features unique list of each series.
GBA-900-4A GBA-800-4A
Price (Amazon) | ||
Year of first Release | 2021 | 2018 |
Accuracy | Bluetooth (via phone app) | Bluetooth (via phone app) |
SmartWatch Features | G-SHOCK Move App | G-Shock Connected App (simplifies certain watch operations by letting you perform them on your phone screen) |
Optical sensor (for Heart Rate) | No | No |
Step Count | Yes | Yes |
GPS (for distance and speed monitor) | Yes (but with your Phone Connection ) | No |
USB Charging | No | No |
Light | Double LED light (Auto LED light, Super illuminator, afterglow) | Neobrite (hands and hour markers) Double LED light |
Alarm | 5 alarms | 5 daily alarms |
Timer | Timer for interval measurement (up to five time settings) | Timer for interval measurement (up to five time settings) |
Stopwatch | 1/100-second stopwatch | 1/100-second stopwatch |
Hourly Time Signal | Yes | Yes |
World Time | No | for approximately 300 cities |
Altimeter | No | No |
Barometer | No | No |
Compass | No | No |
Multi Timer | No | No |
Thermometer | No | No |
Vibration | No | No |
Case / bezel material | Resin | Resin |
Glass | Mineral Glass | Mineral Glass |
Battery | 2 years on CR2025 | 2 years on CR2016 |
Size (mm) *we consider 48.9×42.8×13.4 to be a traditional watch size (as in DW-5600). So you are to compare how far or close the watch is to this size | 51.3x48.9x16.6 | 54.1×48.6×15.5 |
Full features (if you want to know more) |
*Want to compare some other features? Please, comment and we will improve our table.
GBA-900 Profile / Casio G-Shock
Average Amazon Price: $185
(yes, we may earn a commission on qualifying purchases from our links to Amazon). Check the Price on Amazon →
Year of first release: 2021
Best for: Teenagers, Running and Swimming
The most distinctive specs:
— G-SHOCK Move App (Increase motivation by managing measurement data and training history with the app, which automatically creates training plans tailored to set targets)
— Step Count (3-axis accelerometer detects body movements and measures step count and distance travelled. Also interpolates distance measurements in environments where GPS measurement is unavailable)
— GPS but with your Phone Connection (you can control your distance but with your phone GPS technology)
— Very comfortable (only 61 grams and 51.3 x 48.9 x 16.6mm)
Other colors and full specs: GBA-900 Wiki Page
G-Shock GBA-900 Rating System
| Size | ★★★★ |
| Weight | ★★★★★ |
| Functions | ★★★★ |
| Materials | ★★★★★ |
| Battery Years | ★★★ |
| Price | ★★★★★ |
GBA-800 Profile / Casio G-Shock
Average Amazon Price: $120 (yes, we may earn a commission on qualifying purchases from our links to Amazon). Check the Price on Amazon →
Year of first release: 2018
Lineup: G-SQUAD (A new sports line that supports your active life by managing your daily exercise using your watch and smartphone. All watches are equipped with health and fitness support functions, include a 3-axis accelerometer that keeps track of step count, a Multi-Timer that lets you create up to 20 timer combinations of five timers each, memory for up to 200 lap records, and with the help of the phone app, a calorie-use counter. Ideal for interval training for running, gym activities and other sports.) All G-Shock G-Squad Watches →
Best for: Running and Swimming, Sports and Gym, Top in G-Shock Lookbooks
The most distinctive specs:
– 200-meter water resistance (good for swimming but not for deep diving)
– G-SHOCK Connected App (you may manage all watch settings through your phone)
– Mobile link (Wireless linking using Bluetooth(R)) (for time sync with your phone data)
– Stopwatch with Target Time alarm (lap/split display switching, up to 10 Target Times, 200 lap time records)
– Interval timer with up to five time settings (Auto repeat up to 20 times, skip, auto start, alert sound)
– Step count (A built-in 3-axis acceleration sensor begins counting steps the moment you start to walk.)
Other colors and full specs: GBA-800 Wiki Page
Only Limited Editions: GBA-800 Limited Editions
G-Shock GBA-800 Rating System
| Size | ★★★ |
| Weight | ★★★ |
| Functions | ★★★★ |
| Materials | ★★★★★ |
| Battery Years | ★★ |
| Price | ★★★ |