G-SHOCK CASIO Mudmaster GG-B100-1AJF Bluetooth Mens Watch (Japan Domestic Genuine Products)

4.7 4.7 out of 5 stars 246 ratings

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Product specifications

Watch Information
Brand, Seller, or Collection Name G-SHOCK
Model number GG-B100-1AJF
Part Number GG-B100-1AJF
Model Year 2019
Display Type Analog-Digital
Clasp Tang Buckle
Case diameter 5.1 centimeters
Case Thickness 19.4 millimeters
Band Material Rubber
Band width 22
Dial color Black
Item weight 3.25 ounces
Movement Quartz
Water resistant depth 200 Meters
Product Warranty For warranty information about this product, please click here

Product details

  • Package Dimensions ‏ : ‎ 5.75 x 4.96 x 3.7 inches; 3.25 ounces
  • Item model number ‏ : ‎ GG-B100-1AJF
  • Department ‏ : ‎ mens
  • Batteries ‏ : ‎ 1 Lithium Metal batteries required. (included)
  • Date First Available ‏ : ‎ May 3, 2019
  • Manufacturer ‏ : ‎ G-Shock
  • ASIN ‏ : ‎ B07T74G14K
  • Customer Reviews:
    4.7 4.7 out of 5 stars 246 ratings

Customer reviews

4.7 out of 5 stars
4.7 out of 5
246 global ratings

Customers say

Customers like the quality, appearance, performance, dependability and ease of use of the watch. They mention that it looks great, has all the functions they desire and that the app makes configuring the watch really easy. They also appreciate comfort.

AI-generated from the text of customer reviews

9 customers mention9 positive0 negative

Customers are satisfied with the quality of the watch. They mention that it looks great and is an amazing watch.

"Great product and easy to operate. Some entry level g-shock knowledge helps. However this is a great tool and very comfortable to wear...." Read more

"Great product, looks great, my first G-Shock and am not disappointed...only reason for a four star review is that it took about two weeks just to..." Read more

"Quality was good. Actual product looks and feel as the picture." Read more

"Awesome watch, tough and great looking. I only wish it had solar battery, but that's reflective in the good price." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the appearance of the watch. They mention that it's a great looking product and that the carbon fiber looks great.

"...Now , coming back to this one.. this is an absolute beauty.. lightweight but tough.. carbon core and carbon case bring out such a great character in..." Read more

"Great product, looks great, my first G-Shock and am not disappointed...only reason for a four star review is that it took about two weeks just to..." Read more

"Awesome watch, tough and great looking. I only wish it had solar battery, but that's reflective in the good price." Read more

"Great watch, looks good. Tons of functionality!" Read more

5 customers mention5 positive0 negative

Customers are satisfied with the performance of the watch. They mention that it has all the functions they desire, and works flawlessly. It is a great tool and very comfortable to wear, and offers quite a lot of features.

"...1. This fits much better and offers quite a lot of features + Bluetooth that Rangeman lacks...." Read more

"...Some entry level g-shock knowledge helps. However this is a great tool and very comfortable to wear. I am very happy" Read more

"So far I really like this G-Shock. It has all the functions I desire and works flawlessly...." Read more

"Great watch, looks good. Tons of functionality!" Read more

4 customers mention4 positive0 negative

Customers are satisfied with the durability and functionality of the watch. They mention that it is tough and good looking.

"...coming back to this one.. this is an absolute beauty.. lightweight but tough.. carbon core and carbon case bring out such a great character in this..." Read more

"After two years, I'm incredibly pleased with the durability and functionality of the Casio G-SHOCK Mudmaster GG-B100-1AJF, and I highly recommend it..." Read more

"Awesome watch, tough and great looking. I only wish it had solar battery, but that's reflective in the good price." Read more

"Rugged, dependable, many useful functions..." Read more

4 customers mention4 positive0 negative

Customers find the watch easy to use. They mention that the app makes configuring the watch really easily. The app is also simple to pair with the g shock app.

"...The watch will work without the app but the app makes configuring the watch really easily. That is, if it worked...." Read more

"All of the above and it is easy to use. It isn’t solar. But if a battery is it it’s only weak point, I’ll live with it." Read more

"Simple pairing with g shock app (on iOS). Works great for everyday wear and outdoor activities. Wear it regularly in the ocean and on hikes...." Read more

"Easy to set up with G-SHOCK app. Easy to calibrate. I’m glad I purchased this watch." Read more

3 customers mention3 positive0 negative

Customers are satisfied with the comfort of the watch. They mention that it is very comfortable to wear, feels just right fit, and fits on their wrist like a glove.

"...It feels just right fit for right sized wrist on an average built man ...." Read more

"...However this is a great tool and very comfortable to wear. I am very happy" Read more

"...I love all my G-Shocks, but this one fits on my wrist like a glove. And not to mention the long list of functions Casio pack into this watch!!..." Read more

3 customers mention0 positive3 negative

Customers are disappointed with the lack of solar power in the watch.

"All of the above and it is easy to use. It isn’t solar. But if a battery is it it’s only weak point, I’ll live with it." Read more

"Awesome watch, tough and great looking. I only wish it had solar battery, but that's reflective in the good price." Read more

"I like it, exept no solar powered." Read more

A Rugged Companion for Outdoor Enthusiasts
5 Stars
A Rugged Companion for Outdoor Enthusiasts
After two years, I'm incredibly pleased with the durability and functionality of the Casio G-SHOCK Mudmaster GG-B100-1AJF, and I highly recommend it to fellow outdoor enthusiasts.
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Top reviews from the United States

Reviewed in the United States on September 6, 2019
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5.0 out of 5 stars What a great watch !!! Casio did it again....
Reviewed in the United States on September 6, 2019
This is my 2nd Casio. I have had Casio Pathfinder prg 1300g for 10 years and recently broke it's strap and decided to get a new mudmaster series watch while I hunt down the right strap replacement for my old one.

I compared this watch with several others and I must say , this watch is a great buy and value for money. Casio has done well to move with the times and removed automic time keeping from this watch to replace it with Bluetooth connection that seamlessly connects with smartphone to enable a whole bunch of features.

I earlier got the rangeman - GPR-B1000-1 but then returned it for this one for 2 primary reasons :-
1. This fits much better and offers quite a lot of features + Bluetooth that Rangeman lacks. Rangeman was way too big and bulky for me personally
2. This is less than half the cost of Rangeman. Also, I personally don't really care about gps feature in Rangeman as I don't think I would depend on just a watch if I were to go somewhere where phones don't work...

Now , coming back to this one.. this is an absolute beauty.. lightweight but tough.. carbon core and carbon case bring out such a great character in this watch. It feels just right fit for right sized wrist on an average built man .

I really really wish Casio provided has solar charging option but for me that's not a deal breaker and I can live with battery replacements every other year.. at least , they have a low battery indicator...

To close out.. this is a great add to your collection and you will not be disappointed.
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37 people found this helpful
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Reviewed in the United States on January 2, 2024
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5.0 out of 5 stars A Rugged Companion for Outdoor Enthusiasts
Reviewed in the United States on January 2, 2024
After two years, I'm incredibly pleased with the durability and functionality of the Casio G-SHOCK Mudmaster GG-B100-1AJF, and I highly recommend it to fellow outdoor enthusiasts.
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Reviewed in the United States on December 13, 2019
4 people found this helpful
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Reviewed in the United States on December 29, 2020
5 people found this helpful
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Reviewed in the United States on March 20, 2022
Reviewed in the United States on May 21, 2023
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5.0 out of 5 stars The battery died not even in one year.
Reviewed in the United States on May 21, 2023
I bought this watch not even a year ago and the battery died.
No one wants the change the battery because it is a diving watch it cost me $545.00 I feel they should send me a new watch or have the battery changed for fee. help.
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One person found this helpful
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Reviewed in the United States on November 10, 2021
Reviewed in the United States on December 6, 2021

Top reviews from other countries

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Jerzy
5.0 out of 5 stars Take the time to understand how to navigate it. Then you will enjoy it.
Reviewed in Canada on February 18, 2020
6 people found this helpful
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Amazon カスタマー
5.0 out of 5 stars 使いやすいG-SHOCKです。
Reviewed in Japan on October 14, 2021
2 people found this helpful
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Frank the Tank
5.0 out of 5 stars Built like a tank!
Reviewed in Canada on December 13, 2019
Littke TT33
5.0 out of 5 stars 15年ぶりのG-SHOCK購入
Reviewed in Japan on May 15, 2020
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Littke TT33
5.0 out of 5 stars 15年ぶりのG-SHOCK購入
Reviewed in Japan on May 15, 2020
G-SHOCKはかなり久しぶりの購入になります。

渡来品のR社やC社の自動巻き時計を愛用しておりました。
最近流行りのスマートウォッチに興味があり、色々調べていました。

LINEや電話の通知などが時計に表示されるのは大変便利ですが、バッテリー切れが数日となっており
普通のクオーツ時計の数年に比べると日頃の運用に私は耐えられないと判断しました。
自動巻き時計は電池の問題はないですが、メンテナンス代でこちらの時計以上の金額を支払っていました。

こちらの商品はスマホと連動させ、LINE等の通知はできませんが時刻同期や位置情報のトラッキング機能がありました。海外にはよく行きますので時刻合わせはかなり魅力的でした。また電波時計のように面倒な操作がアプリからできるのも良いポイントです。

この時計を購入し何週間か使用しましたが、とにかく私には気が楽でした!!
タフさを売りにしていますので、少しどこかにぶつけたとしても【あ、当たったな】としか思わなく、
やはり巷で高級時計と言われている時計を使用している時は少し擦っただけでかなり気にしてしまし、
ぶつけた時などはヒヤッとしてしまいます。(そんな事を気にするのは身の丈にあっていないのかもしれませんが、、、)

また、最近のG-SHOCKは製品キャラクターや価格帯で魅せ方が上手いと思います。
カーボンベゼルや高品質なバンド、LEDライトなどかなり質感が高いです。
この価格でこの時計がよく作れるなと思うレベルです。
無論、この前モデル(GWG-1000)よりセンサーが増えてソーラー電池では無くなったとのことで戦略的な価格を設定したしたことで安く買えるのですが。

とにかく、日用使用には軽くタフで最高です!!
また使用想定の過酷な環境をクリアできる作り込みは、普通の生活環境からですとかなりのマージンがあるので安心感もかなり高いです。
(想定環境の状態ですと、多分私の体の方がもたないです)
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12 people found this helpful
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Epicurien
5.0 out of 5 stars Je vous le recommande
Reviewed in Canada on November 16, 2019