Casio G-Shock GAX-100 Watches

About the Watch in short. If you are a fan of surfing and an active lifestyle, then the GAX-100 will become your indispensable assistant. A model from the G-Lide division [in this case, the summer version], which means there is everything for water sports here – an ebb / flow tide sensor in the form of additional. a window, displaying the phases of the moon at every point on the globe, and even a thermometer to measure air temperature. Thanks to the large hands and hour markers, you can see the time from any angle. The case shape is borrowed from models from the GA series, but this is their only similarity – the design of the GAX dial is absolutely unique. The case is stable in the influence of magnetic fields, well, the standard digital capabilities by itself – a stopwatch, timer, world clock and alarms.


Quick Content Guide

  1. Famous people wearing G-Shock GAX-100! *updates
  2. Japanese approaches to Tough and Functional Watches in GAX-100 *the most distinctive features in details
  3. General information about the watch *year of first release, model range etc.
  4. GAX-100 Usage Patterns *what the watch is usually meant for
  5. Feedback from Users and Experts *anonymous from different sources
  6. GAX-100 Model Range *in different colors and bands
  7. The most distinctive specs *from our Editorial point of view
  8. Official GAX-100 Video *only from Casio Company
  9. G-Shock GAX-100 on the wrist! *only images and only on the wrist
  10. Official GAX-100 Specs *all details and for base version GAX-100B-1A
  11. GAX-100 Comparison Table *with similar G-Shock Watches
  12. Full Photo Gallery *various images

Famous people wearing G-Shock GAX-100!

Pro surfer Nic Vaughan is wearing G-Shock GAX-100

Have you seen this watch with another person? Let us know!


Enjoy Japanese approaches to Tough and Functional Watches!

*some images are about G-Shock 5000/5600 cases, but the technology, approaches, concepts and philosophy remains the same for the whole G-Shock Model Range

Hollow case structure. Based on a realization that “shocks are not transmitted inside a bouncing rubber ball,” the structure was designed to let the module float inside the case, relieving shocks transmitted from outside. Today, the module’s shock resistance is realized through further technical innovations. But the revolutionary tough structure that gave G-SHOCK its origin began here.

All-directional covering. If the watch is dropped, the protruding bezel fully enclosing it absorbs the shock, protecting the buttons directly connected to the module and alleviating shocks from all directions. The bezel also guards the surface of the crystal. The band is curved stiffly at the point of connection with the case, moreover, enabling it to serve as a shock absorber and prevent direct shocks to the back of the case.

Protective cushioning of key parts. The crystal oscillator and other critical parts inside the module are guarded individually by cushioning material. Any strong shock to the watch causes immediate distortion of the cushioning inside the module, preventing contact failure and malfunction.

Japan Quality. Constructed with genuine quality, CASIO products provide truly practicable applications in which functionality and beauty combine. The leading-edge LSI technologies and skilled craftsmanship that give life to CASIO watches exemplify the quality Japan boasts in the world marketplace.
For CASIO, “faith in manufacturing” refers to an inexorable advancement of digital technologies and an uncompromising commitment to fine craftsmanship. This faith engenders unparalleled performance that not only elevates CASIO watches as close as possible to perfection, but that actually changes their wearers’ lifestyles.

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General Information

Price105$ *average Amazon Price, we may earn commission from purchases
Year of first Release2016
Module Number5485 / Manual
Model RangeG-LIDE (Extreme Sports Line with Tide Graph, Moon Data, high tide and low tide times, and sunrise and sunset times. Designed and specifically made for the surfing market. Surfers like G-LIDE for unique surfing functions and for good water resistance.)
Battery TypeSR927W × 2 (G-Shock Batteries)
Buy Battery on Amazon →
Other Divisions the GAX-100 belongs to: *you may find all watches of the division by clicking on the linkG-Shock Tide Graph
G-Shock Ana Digi

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GAX-100 Usage Patterns *what the watch is usually meant for

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Feedback from Users *accumulated information from our own comments and emails, forum threads, socials, reviews, etc.

PROs
+ easy to read and operate
+ comfortable and light
+ functional
+ accurate timekeeping
+ great price

CONs
– hard to see the digital display
– difficult setup
– no seconds hand
– single led in most ana-digi g-shocks. It would be better the ones that also have a backlight for the digital display

Feedback from Experts *based on comparison info with similar watches by price, model range, etc.

PROs
+ hourly Time Signal
+ affordable price
+ 5 daily alarms
+ Magnetic Resistance
+ thermometer

CONs
– no Radio-controlled feature
– 3 years battery
– no Step Tracker
– no Sunrise Sunset
– no Vibration
– not so small 55×51.2×16.9mm

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GAX-100 Model Range *may be updated

*You may find updated information about colors on our G-Shock 2021 New Releases page →

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The most distinctive specs of GAX-100 *Editorial
— 200-meter water resistance
(good for swimming but not for deep diving)
— ISO 764 class magnetic resistant (A magnetic-resistant plate is mounted on the module. The plate prevents magnetic fields from interfering with proper movement of the hands in daily use)
— Thermometer (can measure and display the outside temperature in a range from -10 C to 60 C)
— Moon data (moon age of the specific date)
— Tide graph (tide level for specific date and time)

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Official GAX-100 Video

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Official Marketing Focus from Casio

G-SHOCK G-LIDE has long been a favorite choice among the world’s top surfers and street sports athletes, and these new additions for 2016 promise to maintain that tradition.
The new GAX-100 combination model provides the best of both analog and digital formats. Large hour markers, hour hand, and minute hand contribute to easy reading. The arrow shaped minute hand and the contrasting color of the analog hands provide at-a-glance readings even while paddling or waiting the next wave. Surfing-oriented functions include Tide Graph, Moon Data, and temperature measurement. Just about everything about this watch is designed to support activities on the summer seas. An analog Tide Graph feature provides an intuitive readout of current time conditions when you need it.


G-Shock GAX-100 on the wrist!

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Official GAX-100 Specs / Features *for base version GAX-100B-1A

  • Case / bezel material: Resin
  • Resin Band
  • Magnetic Resistant
  • Shock Resistant
  • Mineral Glass
  • 200-meter water resistance
  • LED light
    Auto light switch, selectable illumination duration, afterglow
  • Thermometer
    Display range: –10 to 60°C (14 to 140°F)
    Display unit: 0.1°C (0.2°F)
  • World time
    31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
  • Moon data (moon age of the specific date, moon phase graph)
  • Tide graph (tide level for specific date and time)
  • 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)
  • 5 daily alarms (with 1 snooze alarm)
  • Hourly time signal
  • Full auto-calendar (to year 2099)
  • 12/24-hour format
  • Button operation tone on/off
  • Regular timekeeping
  • Accuracy: ±15 seconds per month
  • Approx. battery life: 3 years on SR927W × 2
  • Size of case : 55×51.2×16.9mm
  • Total weight : 69g

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GAX-100 Comparison Table with similar G-Shock Watches

GWX-5700

GAX-100

Price (Amazon)

Year of first Release

2018

2016

Accuracy

Bluetooth (via phone app)

Radio-controlled (via atomic watch signals)

±15 seconds per month

SmartWatch Features

G-SHOCK Move App

No

No

Light

LED backlight (Super illuminator)

EL backlight (with fully automatic EL light, afterglow function, afterglow time switching (1.5 seconds / 3 seconds))

LED light

Alarm

4 daily alarms with snooze

5 daily alarms

5 daily alarms (with 1 snooze alarm)

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)

2 timers - 5 sec. - 100 minutes.

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)

Stopwatch

1-second stopwatch
Measuring capacity: 99:59'59''
Measuring modes: Elapsed time, split time

1/100 second stopwatch (60 minute total with split)

1/100-second stopwatch
Measuring capacity: 999:59'59.99''
Measuring modes: Elapsed time, split time, 1st-2nd place times

Hourly Time Signal

No

No

Yes

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.

Displays the current time in major cities and specific areas around the world

31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping

Magnetic Resistance

No

No

Yes

Step Tracker

Yes

No

No

Sunrise Sunset

Yes

No

No

Thermometer

No

No

Yes

Vibration

Yes

No

No

Case / bezel material

 Resin / stainless steel

Resin

Resin

Glass

Mineral Glass

Mineral Glass

Mineral glass

Battery

2 years on CR2032

Solar Powered CTL1616

3 years on SR927W

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

50.9×46×14.7

48.9x45.4x14.2

55×51.2×16.9


Full features (if you want to know more)

GWX-5700 Wiki

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GAX-100 Replacement Band (Strap) *availability
We think it is very important (before buying a new watch) to know if there will be some choice as for replacement bands for GAX-100 (in future or even now). So we made a research and you shouldn’t worry about your future as the bands are available for buying.

starting from 27$ on eBay →
starting from 20$ on PacParts →


Recent News about GAX-100 

All Casio GAX-100 News →


You ask, we answer…

What does 200-meter water resistance in GAX-100 mean?

The watch is good for swimming but not for deep diving.

What does Thermometer in GAX-100 do?

It can measure and display the outside temperature in a range from -10 C to 60 C.

What does ISO 764 class magnetic resistant in GAX-100 mean?

A magnetic-resistant plate is mounted on the module. The plate prevents magnetic fields from interfering with proper movement of the hands in daily use.

What is Tide graph in GAX-100?

It’s tide level for specific date and time.


Not sure about GAX-100? There are more G-Shocks!

Back to All G-Shock Models →

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