G-SHOCK GM-2100 All Models | From 2021 till Today | Module 5611 — New Releases, New Colors, Limited Editions, Specs

*GM-2100GC-1A – Updated February 2024 color!
Size★★★★★
Weight★★
Functions★★★
Materials★★★★★
Battery Years★★★
Price★★★
How did we compose this rating? Enjoy our calculations →

GM-2100 Model Range *may be updated

*Want to be the first to know about new G-Shock Updates? Here we store all recent Monthly G-Shock Updates →

Quick Content Guide

  1. GM-2100 Model Range *in different colors and bands
  2. Japanese Unique Features in GM-2100! *the most distinctive features in details
  3. General information about the watch *year of first release, model range etc.
  4. G-Shock GM-2100 Display Guide *for key functions only
  5. G-Shock GM-2100 on the wrist! *only images and only on the wrist
  6. GM-2100 Usage Patterns *what the watch is usually meant for
  7. Feedback from Users and Experts *anonymous from different sources
  8. The most distinctive specs *from our Editorial point of view
  9. Other G-Shock GM Watches *similar by price and functions but different by cases
  10. Official GM-2100 Specs *all details and for base version GM-2100CH-1A
  11. GM-2100 Comparison Table *with similar G-Shock Watches
  12. Recent News about GM-2100 *the latest breaking news and videos

G-SHOCK OAK EVOLUTION TIMELINE

August, 2021

GM-2100

250$ on Amazon →
★★★★★
Forged stainless steel bezel with rounded hairline finish for Octagon 2100 Series.
More →

March, 2021

GMA-S2100

110$ on Amazon →
★★★★
This downsized version of the popular GA-2100 model has a simple, thin design that eliminates waste while maintaining a tough structure.
More →

August, 2019

GA-2100

130$ on Amazon →
★★★★★
The new Analog-Digital combination model that inherits the form of original G-SHOCK
The octagon form that was also employed for the original DW-5000C is installed in the series with carbon core guard structure which is the 3rd evolution of the materials of G-SHOCK.
More →

See the full story here →

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GM-2100 Limited Editions *unique style, materials, and price

The Listing of All G-Shock GM-2100 Limited Watches → *with detailed description about the style


About the Watch in Short. Go sleek, sharp and bold with a G-SHOCK standard-bearer in a metal-clad octagonal take on the original iconic design.
Forged in stainless steel with rounded hairline finish, the strong bezel says super style all the way. The dial is treated with vapor deposition finish for a meticulously detailed metallic look that suits a classic metal G-SHOCK timepiece. Incremental variations in the detailed square dot texturing on the wristband take casual urethane materials up a notch.



General Information

Price$250
*average Amazon Price, we may earn commission from purchases
Year of first Release2021
Suitable for Wrist Size160 – 210 mm
Module Number 5611 / Manual
Model RangeSTANDART ANA-DIGI (This Line includes Digital and Analog displays on G-Shocks that are the best in “price/quality” category. Usually have traditional digital functions, but with beautiful hands. Don’t worry, the hands won’t prevent you from seeing digits, since there is a special Hand Shift technology that moves them to the neutral position)
Battery TypeSR726W × 2 (G-Shock Batteries)
Other Divisions the GM-2100 belongs to: *you may find all watches of the division by clicking on the linkG-Shock Ana-Digi
G-Shock Carbon Core Guard
G-Shock 2021

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Enjoy Japanese Unique Features in GM-2100!

Evolving toughness, metal covered, impact resistant structure. The module is protected by a strong stainless steel bezel and an inner case made of glass fiber reinforced resin that is resistant to breakage and deformation. By providing a fine protrusion on the inner case and reducing the contact surface with the bezel, the impact from the outside is mitigated. The idea of ​​the hollow structure is applied with modern technology to create a shock-resistant structure with a metal exterior.

Octagonal form that inherits the symbol of toughness. The bezel uses an octagonal design motif that continues from the original GA-2100. Through time-consuming forging, cutting, and polishing, it is precisely molded from a complicated front surface shape to a back surface shape that perfects the fitting accuracy with the inner case. The top surface is beautifully finished with a circumferential hairline and the sides are mirror-polished.

Minimalistic beauty, slim design. By adopting a metal-covered impact-resistant structure, it clears the impact-resistant standard with the minimum required thickness. In addition, the module has been made thinner by optimising the board configuration and mounting at high density. A slim design with a clean fit is achieved despite the combination of metal case and analog digital.

Strap Styling – Stylish Textured Band.  The GM-2100 features a urethane band with a fine square dot texture, achieved
through advanced moulding technology. The band can be easily attached and
detached with the slide lever.

Discerning detail
Metallic vapor deposition dial. The surface of the dial is mirrored and hairlined to give a stunning level of attention
to detail and a glint that is bound to catch your eye.

Individual Style – Multiple Colours. In addition to the silver colour bezel (GM-2100), which emphasises the strength of the metal, dark blue IP (GM-2100N) and dark grey IP (GM-2100B) are used for stylish alternative bezel colours.

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Official GM-2100 Specs / Features *for base version GM-2100CH-1A

  • Case / bezel material: Resin / Stainless steel
  • Resin Band
  • Neobrite
  • Shock Resistant
  • Mineral Glass
  • Gray ion plated bezel
  • 200-meter water resistance
  • Double LED light
    LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
    LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
  • World time
    31 time zones (48 cities + coordinated universal time), daylight saving on/off
  • 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: Elapsed time, split time, 1st-2nd place times
  • Countdown timer
    Measuring unit: 1 second
    Countdown range: 24 hours
    Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)
  • 5 daily alarms
  • Hourly time signal
  • Hand shift feature
  • Full auto-calendar (to year 2099)
  • 12/24-hour format
  • Button operation tone on/off
  • Regular timekeeping
    Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
    Digital: Hour, minute, second, pm, month, date
  • Accuracy: ±15 seconds per month
  • Approx. battery life: 3 years on SR726W × 2
  • Size of case : 49.3×44.4×11.8mm
  • Total weight : 72g

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G-SHOCK GM-2100 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!

– Octagonal Form (trendy & stylish design). Luxury brands are also boasting an OAK design
– A stainless steel bezel (precisely crafted)
– Good case thickness 11.8 mm (average G-SHOCK is usually 13.4 mm and more)
– Textured band (detailed square dost)
– Double LED Light (one for the face and one for the digital display)
– Battery life: 3 years
– Affordable price
– IP colors with individual character (become fashion item status)
– Traditional watch with traditional ana-digi functions

– No Tough Solar (no Solar Power)
– Doubtful readability (the hands are not very distinct in some series)
– Only traditional functions (World time, Stopwatch, Timer, Alarms etc.)
– No Carbon Core Guard Structure
– Only Mineral Glass (could be Sapphire)
– No Second Hand
– No Bluetooth (for easier operational activities)
– Traditional Accuracy ±15 seconds per month (no Bluetooth, no Radio Sync)


G-Shock GM-2100 on the wrist!

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What we like in GM-2100 *comments by experts with 10 years experience in writing about Casio watches
Steel Casio Oak (popular octagonal bezel. Casio simply replaced the watch with a stainless steel bezel and case, making the watch more stylish and more weighty)
Carbon Core Guard Structure (protects the module with a carbon case. Highly durable carbon fiber-reinforced resin is added not only to the center case, but also to the front and side button guards, providing even stronger resistance to shocks from above or below, or from any side)
Stylish Look (for everyone for any style)
200-meter water resistance (good for swimming but not for deep diving)

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G-Shock GM-2100 Display Guide *for key functions only. For you to know how it works))

Timekeeping

Use the Timekeeping Mode to set and view the current time and date.
– To view the Home City name (English), press A.

Checking the Current Time in a Different Time Zone

You can use the World Time Mode to view the current time in one of 31 time zones (48 cites) around the globe. The city that is currently selected in the World Time Mode is called the “World Time City”.

Using the Stopwatch

The stopwatch measures elapsed time, split times, and two finishes.
– The stopwatch measures elapsed time in units of 1/100 seconds for the first hour, and in 1-second units after that for up to 24 hours total. After that, elapsed time reverts to zero and then stops.

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GM-2100 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
+ at this this rate they’re going to need their own watch case
+ the green realy nice look
+ the new watch dials are amazing

CONs
– no solar and no rc
– there’s a problem with legibility
– the lume is not good, no lume on index markers, reverse LC displays almost unreadable

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Other G-Shock GM Watches *similar by price and functions but different by cases

These are not all G-Shock GM Series. Here is a list of All G-Shock GM Watches →

Official Casio Description. Like other GM models (GM-5600GM-6900GM-110), the GM-2100 is based on its all-resin counterpart and has a stainless steel bezel. Considering the popularity of the GA-2100 series, a metal-covered “CasiOak” was inevitable, but we were not expecting to see it so soon.


GM-2100 Comparison Table with similar G-Shock Watches

GM-2100

GA-2100

Price (Amazon)

Year of first Release

2021

2019

Accuracy

±15 seconds per month

±15 seconds per month

SmartWatch Features

No

No

Light

Double LED light

Neobrite (hands and hour markers) Double LED light

Alarm

5 daily alarms

5 daily alarms

Timer

Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)

Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)

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: Elapsed time, split time, 1st-2nd place times

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: Elapsed time, split time, 1st-2nd place times

Hourly Time Signal

Yes

Yes

World Time

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

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

Case / bezel material

Resin / Stainless steel

Carbon (Carbon Core Guard) / Resin

Glass

Mineral Glass

Mineral Glass

Battery

3 years on SR726W × 2

3 years on SR726W

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

48.5 x 45.4 x 11.8

48.5×45.4×11.8


Full features (if you want to know more)

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Recent News about GM-2100 

All G-SHOCK GM-2100 News →

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Not sure about GM-2100? There are more G-Shocks!

Back to All G-Shock Models →

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