The Ultimate Guide to All G-SHOCKs — composed by Experts
Can’t choose between G-SHOCK GST-B500, GST-B400 and GST-B100? 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!
GST-B500 | |||
Price (Amazon) | |||
Year of first Release | 2022 | 2021 | 2017 |
Accuracy | Bluetooth (via phone app) | Bluetooth (via phone app) | Bluetooth (via phone app) |
SmartWatch Features | G-SHOCK Connected App | G-SHOCK Connected App | G-SHOCK Connected App |
Light | Neobrite and Double LED light (Full auto LED light, Super illuminator) | Neobrite and Double LED light | Neobrite and LED light (Super Illuminator) |
Alarm | 5 daily alarms | 5 daily alarms | Daily alarm |
Timer | Measuring unit: 1 second | Measuring unit: 1 second | Measuring unit: 1 second |
Stopwatch | 1/100-second stopwatch | 1/100-second stopwatch | 1-second stopwatch |
Hourly Time Signal | Yes | Yes | No |
World Time | 38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping | 38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping | Dual time (Home city time swapping) |
Multi Day Format | Yes | Yes | No |
Multi Language Day | Yes | Yes | No |
Second Hand | No | Yes | Yes |
Alpha Gel / | No | No | Yes |
Magnetic Resistance | No | No | Yes |
Carbon Core Guard | Yes | Yes | No |
Case / bezel material | Resin / Stainless steel | Resin / Stainless steel | Resin / Stainless steel |
Glass | Mineral Glass | Mineral Glass | Mineral Glass |
Battery | Solar powered CTL920 | Solar powered | Solar powered CTL920 |
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 | 46.6×48.9×12.8 | 46.6×49.6×12.9 | 58.1×53.8×14.1 |
Full features (if you want to know more) |
*Want to compare some other features? Please, comment and we will improve our table.
G-SHOCK GST-B500 Rating System
| Size | ★★★★★ |
| Weight | ★★★ |
| Functions | ★★★★ |
| Materials | ★★★★★ |
| Price | ★★ |
G-SHOCK GST-B500 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!
– Solar Powered (Tough Solar). No need to worry about the battery change
Bluetooth (easy to operate via smartphone)
– Bluetoot Accuracy Calibration (checks if the watch shows the ideal time)
– Slimm profile (only 12.8 mm). Good for office wear
– Carbon Core Guard (the watch is more lightweight but stronger in comparison with a traditional case)
– Metal textures (a truly sophisticated presentation with its own special look)
– Amazing functional disk
– Double LED Light (one for the face and one for the digital display)
– Only traditional functions (World time, Stopwatch, Timer, Alarms etc.)
– Mineral Glass (could be Sapphire, but with higher price)
– Difficult digital display readability (if the model uses a negative display)
– No Radio Calibration (you have only Bluetooth Time Sync)
– No Second Hand
– Not cheap (but good materials)
G-SHOCK GST-B400 Rating System
| Size | ★★★★★ |
| Weight | ★★★★★ |
| Functions | ★★★★★ |
| Materials | ★★★★★ |
| Battery Years | ★★★★★ |
| Price | ★★ |
G-SHOCK GST-B400 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!
– Ultra-thin Module (46.6 × 49.6 × 12.9 mm)
– Carbon Core Guard (the watch is more lightweight but stronger in comparison with a traditional structure)
– Dedicated App for your Phone (easy to operate & other features)
– Bluetoot Accuracy Calibration (checks if the watch shows the ideal time), also called Mobile Link
– Stylish Steel Look (exceptional metal textures from every angle)
– Solar Powered (Tough Solar). No need to worry about the battery change
– No Second Hand
– Only Mineral Glass (could be Sapphire)
– Mostly traditional functions (World time, Stopwatch, Timer, Alarms etc.)
– No Radio Calibration (you have only Mobile Link accuracy)
– Poor digital display readability (if the model uses negative display type)
G-SHOCK GST-B100 Rating System
| Size | ★★★ |
| Weight | ★★★★ |
| Functions | ★★★★ |
| Materials | ★★★★ |
| Battery Years | ★★★★★ |
| Price | ★★★ |
G-SHOCK GST-B100 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!
– Stylish and masculine design
– Solar-powered, eliminating the need for battery replacements
– Easy-to-read analog hands and date window
– Lumed hands for visibility in low light conditions
– Offers chronograph performance in analog format
– Bluetooth connectivity for smartphone link functions
– Dual Dial World Time with 300 cities
– Stylish and sleek stainless steel design
– The second hand may not completely align with the hour markers
– The watch can feel a bit large and may take time to get used to
– The sliding stainless steel band may be less secure than rubber-style bands
– Some users may find it difficult to set various functions manually
Being a fan of CASIO watches since 2009, I strive to share my passion and knowledge with others. Through publishing short notes and curating all listings on this site, I hope to inspire fellow enthusiasts to explore the world of high-quality CASIO watches. A proud owner of GST-B200, GG-1000, GA-110. Remember: Fake Watches are for Fake People.
Other G-SHOCK listings GST-B400 is in!
*you may find similar watches there
Other G-SHOCK listings GST-B500 is in!
*you may find similar watches there
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