

⏱️ Own Time, Own Style – The G-Shock That Works as Hard as You Do
The Casio G-Shock GA-B2100-3AER is a rugged, solar-powered analogue-digital watch featuring Bluetooth connectivity, world time, stopwatch, alarm, and a durable 200m water resistance. With a bold green design, lightweight build, and comprehensive calendar functions, it’s engineered for professionals who demand reliability and style in every adventure.
| ASIN | B0B8DJLXNR |
| Batteries | 1 Lithium Metal batteries required. (included) |
| Best Sellers Rank | 397,123 in Fashion ( See Top 100 in Fashion ) 2,827 in Men's Wrist Watches |
| Country of origin | China |
| Customer reviews | 4.6 4.6 out of 5 stars (183) |
| Date First Available | 2 Aug. 2022 |
| Department | Men's |
| Item model number | GA-B2100-3AER |
| Manufacturer | Casio |
N**Y
Casio does it again
Easy to connect, lightweight and very comfortable
J**E
Great watch
I own 2 of these (one in black and this green one). We often go hiking and camping in the mountains and I wouldn't be without this watch. It's really rugged, looks good and is hardy enough to take some knocks and bangs. For the money, it's a great looking watch. I've had comments from people who are wearing more expensive watches telling me they love the look of my Casio. I own a Tudor and a Rolex, but find myself wearing this more as I never have to worry about it.
J**S
Attractive Ultra Tough watch in cool colour
Most other reviews cover the issues I have experienced namely the digital displays for day date month etc are not as brightly lit as it really should be (I expect this is because its solar power doesn't produce enough electricity to get it brighter). It is best viewed at an angle but I can live with that. The hour and minute hands are luminous but dont retain glow for as long as more high end watches. Hour & Minute hands auto move out of the way for some functions to make it easy to read digital info. Bluetooth connection and set-up with phone app was not difficult - this allows daily time and date check/update. Accessing longer duration of back light required me to get help from Casio Tech Support- took them a while but got it sorted now 3 seconds instead of 1 second. Watch looks good and this price for a toughie is decent. They have a fantastic reputation for being almost indestructible.
B**M
Good comfortable watch
Took a lot of effort to get through the Casio app access on their worldwide website, but now sortted and pleased the watch syncs daily, so accuracy is good. Lume is weak, but overall the dial time readbility is easy, whereas the MM/DD is very small so quite challenging to read.
A**Y
Watch..
Great watch, fast delivery..
M**L
Fabulous watch
Lovely weight. Striking design.
M**M
Wow
One of the best watches today on the market and for a fraction of other , one ten times more money plus easy too upgrade with kits without to much effort perfect watch buy don't regret will some updating it with a kit to full metal.
E**Y
It's a Good Watch..BUT
It's a Good Watch ..BUT There are so many things that could make it better. The luminance of the dials is really poor, you can't see them in the dark. The back light when activated in the dark is so low it's not worth using most the time. The same for the digital displays, they have poor visibility. Trying to set the watch up manually is a nightmare trying to see the screens. There is a blue tooth option to set up the watch via a mobile app, but you literally have to read through a mountain of conditions after downloading the app and give the app almost total freedom of your phone and the Casio Company rights to your data. The bluetooth is an easier set up option than doing it manually and seems a better option if you are continuously changing setting because of travel or adjusting alarm settings.
C**N
Parfait rien a redire robuste
M**N
Funktionaliteten är perfekt tilsammans med den nya mobilappen. Ångrar att jag inte köpte den gula modellen med "normal" lcd-display istället för den inverterade. Den inverterade är extremt svårläst och att hinna läsa den med hjälpbelysningen är svårt då den bara är på 1.5 eller 3 sekunder..
J**Z
Da die neuen G-Shock Linien Bluetooth haben, ist die Einstellung sehr einfach, App runterladen, Modell registrieren, Knopf drücken und alle Einstellungen werden vom Smartphone an die Uhr gesendet. Danach benötigt die Uhr keine Verbindung mehr zum Smartphone. Einen Tag in die Sonne gelegt, hat der Akku soviel Energie gespeichert, dass die Uhr monatelang durchläuft im Dunkeln. Bei völliger Dunkelheit in der Schublade schaltet die Uhr in den Stromsparmodus und die Zeiger gehen auf 12 Uhr, Display schaltet ab, sobald ein kleiner Lichtstrahl auf das Zifferblatt trifft, stellen sich die Zeiger wieder auf die aktuelle Zeit. Hat die Uhr nach Wochen einige Sekunden Gangabweichung, braucht man sie nur kurz wieder mit der App koppeln und die Zeit stimmt wieder auf die Sekunde. Das funktioniert auch alles tadellos, immer beim ersten Versuch und es ist ganz einfach. Ich habe sie jetzt in gelb, grün und blau, für jede Kleidung und für jede Stimmung passend. In gelb ist sie am auffälligsten und am schönsten, grün und blau eher für den Winter oder Herbst oder wenn man nicht so auffallen will. Es gibt sie auch in schwarz, dann passt sie immer, finde ich aber langweilig. Die alten Modelle gibt auch noch, gleiche Optik aber ohne Solar und Bluetooth, kosten dann knapp nen Hunni. Lohnt sich aber nicht, wie ich finde, lieber noch nen Zwanni drauf packen und Solar und Bluetooth mitnehmen. Das einstellen der alten Modelle ist etwas fricklig, da braucht man schon die Anleitung, manche packen das dann trotzdem nicht. Bluetooth macht es wesentlich einfacher und schneller.
P**1
Bardzo ładny zegarek.
E**.
Kadife dokulu silikon yapıda, rengi çok güzel. Gün ışığından uzun süre uzak kalırsa pili zayıflıyor.
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