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Description
G Shock Analog-Digit Black (GA-2100 Series) Watch - GA-2100-1A1G Shock Analog Digit Black GA 2100 Series From G SHOCK, the toughness watches that continue to evolve in search of ultimate strength, this digital analog combination model inherits the concept of the first generation DW 5000C models, while being even thinner. Inherits the octagonal shape that was also used in the first generation DW 5000C model. A combination model developed with a simple design that eliminates waste while maintaining a tough
From G-SHOCK, the toughness watches that continue to evolve in search of ultimate strength, this digital-analog combination model inherits the concept of the first-generation DW-5000C models, while being even thinner.
Inherits the octagonal shape that was also used in the first-generation DW-5000C model. A combination model developed with a simple design that eliminates waste while maintaining a tough structure.
Also achieves a thickness of 11.8 mm thanks to a highly rigid fine resin containing carbon fiber for the case material.
Carbon Core Guard Structure
A new carbon core guard structure protects the module by enclosing it in a carbon case. The case is made of fine resin embedded with carbon fibers for outstanding strength and crack resistance.
Basic Information
Case size (L× W× H): 48.5 × 45.4 × 11.8 mm
Weight: 51 g
Case and bezel material: Case / bezel material: Carbon / Resin
Band: Resin Band
Construction: Shock Resistant, Carbon Core Guard structure
Water resistance: 200-meter water resistance
Power supply and battery life: Approx. battery life: 3 years on SR726W X 2
Exterior
Glass: Mineral Glass
Watch Features
World time: World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off
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
Timer: 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)
Alarm/hourly time signal: 5 daily alarms, Hourly time signal
Light: 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)
Light colour: LED:White
Calendar: Full auto-calendar (to year 2099)
Mute feature: Button operation tone on/off
Accuracy: Accuracy: ±15 seconds per month
Other features: 12/24-hour format, Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.), Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day) Digital: Hour, minute, second, pm, month, date
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 953 reviews
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Product Reviews
★★★★★ 5
This really sucks!
This vacuum is awesome. It is replacing my old Shark which finally could not connect to the WiFi anymore. This has stronger suction power, even on just the standard power, not even turned to turbo. The little tower on top of it prevents it from going under only a few items in my home. But it is nice that it doesn’t bang into walls to turn around. It comes up to an item, slows down and then turns.
I did have to set up two no go zones, which is very easy to do once I figured it out on the app. Because it got stuck up under my headboard one time so I made that a no go zone. Our bed sits very low to the ground with only about 3 inches so you can’t really get under it.
I like the bag dump system versus the old vacuum I had which you just pushed the button and all the dust went into the trashcan blowing half of it up in your face at the same time. So this is very nice.
I have had this a few weeks now and I did look at a YouTube video on how to navigate the app. It does so much more than my old vacuum did and it really is nice. The noise is not any louder than the other one. This one stays longer to empty on the base because it also has a little cutter that cuts the hair out of the roller. This is great because of dog hair that would continually get trapped on my old vacuum.
I think this vacuum is well worth the money which some of the others were so much more expensive. Battery life seems to be about right for the amount of time that it vacuums and then of course it goes to recharge and comes back out to finish the job. The mapping is awesome and is very detailed, and you can even see where the vacuum is on the map and watch it moving if it is rolling at the time. This comes in very helpful if it is stuck somewhere.
I definitely recommend this vacuum. We named her Berta for the maid on “Two and a Half Men”.
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Reviewed in the United States on July 3, 2025
★★★★★ 1
Eufy: Never Again
It is jaw-droppingly astonishing how AWFUL this thing is.
I can deal with all the little problems: I have to pick up cords and small objects. It gets caught on random things and shuts down. It needs some creepy data-harvesting app that does nothing you couldn't do with a TV remote. I can live with all of this. Well, I'd like a robovac that doesn't need an app, because WHY do you need an app? It's pointless. But that's the way this world is, so I guess I have to deal with it.
But what I can't handle is how BASIC FUNCTIONALITY does not work. It CANNOT KEEP A SCHEDULE! I have a very simple schedule: run every day at 10am. This device is completely and totally incapable of handling such a basic and simple task. Just run once a day, every day. I can worry about everything else. HOW DO YOU MESS UP A CLOCK? It forgets its ONE JOB every single week. I have to go back into the stupid app, re-set the schedule, probably re-set the map because it invented some new horrible map from the bizarro world because it randomly decided my house was actually NOT my house and it needed to re-establish what's up and what's down, and it got all of that wrong, so we have to go through the mapping process again. And that's if I'm lucky. Sometimes it decides to forget the wifi password (WHY DOES IT NEED WIFI????????) so I have to reconnect that too!
And THIS IS EVERY WEEK! THIS IS BASIC FUNCTIONALITY! JUST! RUN! THE! PROGRAM! OH! MY! GOD! You had it right the first time! JUST DO THAT!!!!!!!!
Alarm clocks have been doing this for 100 years now. Even before electricity, people could set alarms using candles or sand. How does an ELECTRONIC DEVICE with INTERNET ACCESS fail to know it's 10am and time to run? WHAT ARE YOU EVEN DOING?
Normally I think people who type in all caps are crazy. But I am SO SO MAD I CANNOT TYPE NORMALLY. IT'S A CLOCK. LITERALLY JUST LOOK AT THE CLOCK. IT'S NOT DIFFICULT. LOOK. AT. THE. CLOCK. STOP. FORGETTING. MY. SCHEDULE.
I don't know why I have bought 4 eufy robovacs. The first one was alright. It was one of their "dumb" vacuums that just bumps into walls. It eventually broke and they stopped selling the parts to fix it, so I bought a "new" (identical but more expensive) model which also eventually broke and they REFUSED to sell me the parts to fix it when it broke. So I bought one of these "smart" ones and it did this thing I'm describing here: forgot, EVERY WEEK, that it is just supposed to run once a day. IT'S NOT HARD. JUST RUN THE PROGRAM! So I wrote a 1 star review and they offered me a refund if I shipped it back in the original packaging. I threw that away so obviously that was not an option. So me in all of my abundant intelligence bought another, thinking it would be better. NOPE. THIS ONE DOES THE SAME THING!
That's TWO entirely separate models, which are wholly incapable of ACTUALLY DOING THEIR ONE JOB IN THE WORLD.
I should mention that the "dumb" models also had a nasty habit of running randomly at 3am and waking me up in a panic. I guess that should have been my first tip-off that this "tech" company cannot understand the single most basic technology of all of human history: time-keeping.
So with 4 eufys under my belt I am extremely, EXTREMELY confident in my decision. Eufy: never again.
I will not make this mistake again. I will scream it from the rooftops if I have to. I will tell all my friends. I will write it in the reviews. Never EVER buy eufy. Their vacuums cannot even do their ONE JOB. HOW HARD IS IT????
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Reviewed in the United States on February 2, 2026
★★★★★ 5
Absolutely love Spazz!
I just received my robovac this afternoon, and let me tell ya: I already absolutely love it. I have named him Spazz, since the first time using him, he went in all sorts of seemingly random directions and was completely aggressive with ANYthing in his way. I'm talking full - bore, ram into it and push it.
Then, as I realized, he was simply mapping his parameters and once he learned them (which didn't take long) he just did his thing and went right back to the charging station and rested. Here is my feedback:
1. I had a little trouble with the app. I tried logging in several different times with several different passwords and I kept getting a very cryptic message, that wasn't even complete! Just a quick flash on my screen and I cannot for the life of me tell you HOW I ended up finally logging in. But I did and will never log out. Ever. Just in case.
2. It took me a few tries (before I came to the conclusion that it was my error not the machine) to get Spazz to connect to the app. Little did I know that since the power station (some like it hot) is positioned relatively close to the Internet router already, I did not need to find it, but simply press the start/home buttons at the same time to reset the wifi and then connect to the app via bluetooth.
3. I am assuming Bluetooth always needs to be on in order to control Spazz, but at night when my phone is charging I'll turn it off and turn it back on in the morning. Not sure I like the idea of always having Bluetooth running since it is a battery drainer.
4. I also am not a fan of allowing ANY thing to use my location, except GPS, but alas, if I want to control Spazz remotely (this unit did not come with a remote, btw) I am at the mercy of this requirement. I also have outdoor cameras by the same company, so they know my location already anyway I suppose.
5. I like the suction Spazz has: he even picked up a sock that my boyfriend lacksidasically left on the floor. Which caused a red flashing error and the voice on the charging port yelled at me saying to clean the roller brush. So I flipped Spazz over and lo and behold, there was a sock halfway in and halfway out of the roller brush. Pulled it out and good as new. So, suction is AMAZING.
6. Speaking of suction, he does a great job of getting up dog hair. I have 2 dogs, one with very thin hair and the other with a wiry undercoat and it is all gone within the cleaning time.
7. And touching on that aspect, it really doesn't take THAT long. Yes, it takes longer than I do BUT I also do not go in any kind of pattern like Spazz NOR do I go over the same area more than once. In essence, he is cleaning my floors better than I do and I'm kinda ticked about it.
8. The fact that I can control how much suction he has using the app is great. Even though he features a BoostIQ, changing the suction depending on the material, I still like that I can get a more thorough cleaning using MAX. Does it use more battery? Yes. Does it clean more? Perhaps. Does it make me FEEL like it's cleaning more? Absolutely.
9. The mapping accuracy is indeed, well, accurate. I moved him upstairs to do my two bedrooms and the hallway and at first he was like, 'uhhhh I haven't been here yet. What's going on? Where am I? Who are you?!' but then he settled down and mapped out the areas just fine and went along his merry way.
10. I have to de-snag him from cords every once in awhile and give him a little nudge transitioning from the downstairs hallway to the bathroom, but honestly once he learns his map, he avoids such obstacles and has even figured out how to get over the hump from the threshold in the bathroom. Basically lifts up and scales it like he's climbing Mt. Everest, which to him, may seem like it.
11. I like the fact that he empties himself and any hair caught on the brush is quickly razored away when he goes home. Yes it's a bit noisy but it's only for a minute and I'll take that over needing to manually pull hair out like I have to in my regular vacuum. Not getting my hands all gross is a huge plus. And it really doesn't seem like there is anything tangled in it anyway. I have long hair but I'm pretty adamant about getting it thrown away even though I know there's some strands about.
12. Spazz's functionality is top - notch. Nothing has gone wrong, other than the few things with the app connection and the wayward sock incident, as it is now known as.
13. The dogs do not seem to be bothered by him at all, just curious as to what this new thing is in their space and my male quickly dis-trusted Spazz to NOT suck up his favourite bone so he snaggled it up and went to another room. My female watched Spazz very intently, just in case he may actually have legs and feet and scurry away. Thankfully she did not try to bite him like she does with my regular vacuum!
14. I have a robot trash can (motion sensour) in my kitchen and Spazz knocked into it while mapping and I told him 'that is another robot. There better not be any interaction between the two of you and don't even think about communicating.' Only time will tell what transpires between them. If we don't turn up for awhile, do a wellness check. If there's a putrid odour, but the floors are clean and the garbage has been taken out, just know humanity has lost.
For everyone complaining it is not immediately perfect right out the box: there IS a manual on line. Read it. Study it. Learn it. Embrace it. If you cannot find the time to actually READ something, watch a video since most people believe that because you watched a 3 minute video, you're automatically brilliant and know everything about it. It will never be perfect in any way, shape or form. Remember, computers are only as smart as the person using them. Take some time to get to know your machine and HAVE PATIENCE!!
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Reviewed in the United States on November 1, 2024
★★★★★ 4
Review after a year of use
So i had this Vacuum for a little over a year, and i am happy with it, but in the past couple of months some issues showed up / or where kind of present the whole time because of how it works...
- Its gonna find everything, and its gonna eat everything: Cables on Floors in general, behind couches, or behind sideboards, corners of lightweight carpets - gonna get stuck in the brush or robot looses contact to the floor with wheels (f.e. behind media sideboards)...you have to make sure nothing is on the floors where it could get stuck, even shoes are sometimes difficult for it.
- Under Couch issue (all the time issue): the Lidar Sensor is on top of the robot (highest point) If you have a couch where the fabric underneath hangs a little down, the robot goes there but gets stuck because the Lidar sensor cant see anything, because the fabric hangs down on it. And im not talking ripped fabric - its just bulging down a little but thats enough in my case to cover the Sensor and its just sitting down there - spinning and turning, until i get under the couch and push the fabric up a little...
- Battery Runtime (all the time issue): I have aprox. 1400sqft living space under AC - it needs up to 1-2 battery charges on "standard mode" to clean all floors 1x.
- Corner or Edge Cleaning brush (showed up after aprox 11 months): starts to squeak sometimes really loud. Since i changed them regularly as recommended, i made sure its always clean beneath the brush and the mount, so no hair or any other debris down there.
- It has problems with sliding doors (all the time issue): scans trough the doors and wants do go there but cant of course. You have to go into the app and draw a line close to sliding doors so it doesn't try to go there....
- Biggest inconvenience (showed up after 12 months): it happens to me almost every time after a clean, It drives back onto the base station - and it feels like the charging Pins either on the base or on the robot, lose contact, and the robot just discharges and next time you want to use it (f.e next day), its Batteries are empty, and you have to try turn it back on (with empty batteries) and wait for it to charge up. i cleaned both pins on the base station and the contact surfaces on the robot (no, no protective plastic strips on pins or contacts) but it doesn't really seem to help.
- Sometimes the app / Robot looses Maps (sporadically): The first thing is a mapping. Robot drives around and scans the whole area - splits the map into different rooms. You can adjust this Rooms and "No go zones" via the app. Sometimes those maps inside the app go "bye bye" and you have to do it all over again.
Other than that its a very nice robot and it does its thing.
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Reviewed in the United States on December 14, 2025
★★★★★ 2
App/Vacuum Loses maps after 3 months of use.
I'm hoping someone from Eufy is monitoring these reviews. We love...loved our Eufy. It works great. The mapping and map editing is so nice to be able to program the vacuum to clean different rooms each day. We love the self cleaning system that empties the Eufy after each use. We owned a Roomba a few years ago with the self empty option and it never worked. We had it replaced by Roomba twice and it still never worked. This one works exceptionally well. BUT here we are 3 months later and the app is losing the map. nearly every day, the system has to re-map our entire space. Yesterday, it had no map and went down the stairs. The unit is supposed to have a sensor to prevent it from going where there are drop offs but apparently this issue with the mapping is also showing up in the unit being unable to stay in the cleaning area. I'm hoping that someone from Eufy will reach out to help. Thanks,
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Reviewed in the United States on May 12, 2026
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