[G-Shock Comparison] GBA-900 VS GBA-800

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The Ultimate Guide to All G-SHOCKs — composed by Experts

Can’t choose between G-Shock GBA-900 and GBA-800? Enjoy our comparison table and the best features unique list of each series.

We are trying to compare the watches from one collection or “similar” price categories. Besides you may find our rating system and pros & cons section below. Enjoy!

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)
Measuring unit: 1 second
Input range: 00’00” to 60’00” (1-second increments)
Others: Auto-repeat, 5-second countdown auto start, repeat (1 to 20 times)

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), auto-start

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: lap/split timing, distance/pace display, auto/manual lap timing auto lap notification
Memory capacity: Up to latest 45 records (measurement start month, date, hour, minute, lap/split times, total time, distance, average pace, calories burned, lap number, time, distance, average pace of each lap/split)

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)
Recorded data: Up to 200 records (measurement start month, date, lap/split times)
Target Time alarm up to 10 Target Time settings

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

51.3×48.9×16.6

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.


G-Shock GBA-900 Rating System

Size★★★★
Weight★★★★★
Functions★★★★
Materials★★★★★
Battery Years★★★
Price★★★★★

G-SHOCK GBA-900 PROs & CONs

*we composed all points based on our ten years experience in writing about CASIO watches. We know what matters when you are searching for your ideal G-SHOCK!

– Sporty Look with Advanced Sport Functions
– Supports G-SHOCK MOVE App (you can set advanced timers)
– Double LED Light (one for the face and one for the digital display)
– Calorie and distance calculations
Accelerometer measurements
– Can be used for running (distance, speed, pace)
– Affordable price
– Dual time (Home city time swapping)

– Only 2 years battery life
– No Second Hand
– No Tough Solar (no Solar Power)
– No in-built GPS (syncs with your phone GPS)
– No Heart Rate Sensor
– Budget-friendly materials
– Traditional Accuracy ±15 seconds per month (no Mobile Link, no Radio Sync)
– Poor digital display readability (if the model uses negative display type)


G-Shock GBA-800 Rating System

Size★★★
Weight★★★
Functions★★★★
Materials★★★★★
Battery Years★★
Price★★★

G-SHOCK GBA-800 PROs & CONs

*we composed all points based on our ten years experience in writing about CASIO watches. We know what matters when you are searching for your ideal G-SHOCK!

– Active lifestyle design (lightweight and comfortable, making it suitable for sports and physical activities)
G-SQUAD functionality (step counter, multi-functional timer, calorie tracking, and the ability to save up to 200 lap records)
– Dual-display visibility
– Smartphone sync (additional features and convenience for setting up interval workouts and tracking progress)
– Bluetooth Accuracy Calibration (checks if the watch shows the ideal time), also called Mobile Link
– Find your phone feature

– Calorie tracking accuracy (might not be entirely accurate)
– No Solar Power
– Complicated adjustments without the phone
– The dial is more for general use rather than for sports



Other G-SHOCK listings GBA-900 is in!

*you may find similar watches there


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