Diesel On Full Guard 2.5 Evaluation: Love the Smartwatch’s Look, Hate the Battery

I’m going to start out with a disclaimer: I like Diesel watches. The massive, daring, take-no-prisoners designs are distinctive, and immediately recognizable in your wrist. The sheer measurement of most means you possibly can’t miss somebody sporting one both. I at all times maintain a particular form of admiration for anybody I see sporting a Mr. Daddy Diesel watch, all 57mm of it.

Does that imply the Diesel On Full Guard 2.5 will get a move, and is already on its option to a straightforward win right here? No, fairly the alternative. I maintain Diesel to a excessive customary, and its smartwatch operating Google’s Put on OS platform wants to satisfy this if it’s going to impress. Sadly, whereas Diesel holds its finish of the deal up, it’s let down by the battery and underlying expertise.

Massive and daring

Sure, the On Full Guard 2.5 is massive, however at 47mm it’s fairly compact by Diesel’s requirements and in addition surprisingly slim at 13mm — a facet emphasised by the intelligent design. The bezel is angled inwards in the direction of the display screen, and the 4 guard items reduce the visible measurement of the watch. You understand when it’s in your wrist, clearly, nevertheless it’s not heavy and isn’t ungainly both. Offered you might be used to massive watches and don’t have very slim wrists, you’ll be glad sporting the On Full Guard 2.5.

The pink and black coloration scheme seen within the pictures is our choose, though you may get a black and metal end too. These each have the knurled case characteristic seen on a number of the latest conventional Diesel watches, that are additionally added to the environment of the buttons and the crown. The lugs are fairly, with swoops and curves giving them a contemporary, considerate fashion. All this offers the watch character — a putting, statement-making character that’s fashionable, masculine, and instantly identifiable as a Diesel watch. I feel it appears implausible.

Fashionable, masculine, and instantly identifiable as a Diesel watch. I feel it appears implausible.

My assessment mannequin has a quick-release silicone strap connected, though you should purchase leather-based and metallic variations too. It’s a thick, robust silicone that could be very pliant. The underside has a grippy texture that helps maintain the watch in place, and resist sweat. It’s extraordinarily comfy, nevertheless it attracts lint and grime like nothing else. 5 seconds below the sleeve of my hoodie and it got here out lined within the stuff. The ridges on the strap, and the embossed Diesel model identify on the keeper, make it onerous to brush all of it away, guaranteeing it at all times appears a bit dusty.

This apart, what makes me just like the Diesel On Full Guard 2.5 probably the most is that it doesn’t seem like some other smartwatch. It’s clearly a Diesel, giving it loads of attraction to model aficionados. Watches are as a lot a private vogue and way of life assertion as a pair of sneakers or your eyewear, so settling for a faceless smartwatch shouldn’t be needed.

Software program and efficiency

Have a look at the On Full Guard 2.5 from a distance, and it’s nice. Truly use the watch, and issues take a flip for the annoying. Then they take a flip for the tragic, which we’ll come to later. The annoyance comes from the usually pitiful efficiency from the Qualcomm Snapdragon 2100 processor with 512MB of RAM, and Google’s Put on OS software program.

Proof on how onerous the chip has to work comes proper from the beginning. Setup is such a prolonged, stutter-filled, plodding expertise that I by no means wish to pair the watch with one other telephone once more. Issues do enhance after it has completed organising and up to date the software program, nevertheless it’s nonetheless not as clean and seamless because the Apple Watch Collection four, or Tizen on the Galaxy Watch.

Diesel On Full Guard 2.5 review Andy Boxall/Digital Developments

The Snapdragon 2100 is outdated, and has been changed because the On Full Guard 2.5 launched. I complained about its presence when the watch was revealed in September 2018, and time has not been sort. Even low cost smartphones have substantial efficiency right this moment, and utilizing a smartwatch that may’t match the zippiness of even the most affordable of recent mobiles is irritating.

Navigation round Put on OS is helped by twisting the crown, however this solely operates up and down, and never left or proper, so you continue to must swipe the display screen to entry Google Match, Google Assistant, or different Tiles. Do any of those swipes too quick, launch too many apps, or make some heavy calls for, and issues decelerate. Go away the watch on the always-on display screen for too lengthy, and it’s an additional second or so to get up the show. None of this stops the watch working, it simply feels, properly, outdated. Begin attempting out Diesel’s personal apps, and it will get worse.

T-On-I is a form of digital assistant with out the voice, and it shows useful content material — reminders, calendar entries, and step rely for instance — apparently in a Diesel-like method. Crime primary is that it’s gradual, and crime quantity two is it doesn’t work very properly. It’s gradual to the purpose the place it is going to lock the watch up, it by no means recorded my steps, and the silly phrases it sometimes delivers border on the moronic. “Oh hey smartphone, guess who’s obtained all the eye now?” is an instance, which it reveals over the principle display screen. Eliminating it appears to take swipes and button presses.

The battery life on the Diesel On Full Guard 2.5 isn’t simply dangerous, it’s tragic.

You may customise the watch face with overlays associated to the climate or your exercise. The climate layer provides raindrops, a lightning bolt, or different results over the face, for a quick-glance climate report. That is effective if the climate is fascinating, however I dwell in England the place it’s completely cloudy, due to this fact the face has a mist excessive and it’s not particularly fairly. It’s a disgrace, as Diesel has labored onerous on the included watch faces — every of which resembles the loopy ones you see on a traditional Diesel watch, and masking them up is against the law. The Dashboard, D3000, and Flicker faces are all nice.

I wore the Diesel watch linked to a Huawei P30 Professional, and with an Honor 20. It labored the identical method throughout each telephones. When you hyperlink it to an iPhone, varied options — from the Play Retailer to Google Assistant — is not going to function. Notifications are usually efficient, however typically I’d obtain a vibrate alert for a similar messages time and again, whereas others — messaging app Line, for instance — generally wouldn’t seem in any respect.

Positives? The vibration alert is robust and might’t be missed, the 1.39-inch AMOLED display screen is large, excessive decision, and brilliant, whereas Google Assistant is wise, useful, and only a swipe away from the watch face. When you use Google’s instruments extensively — it reveals your calendar, appointments, and pulls data from Gmail, and Google Maps too — then it’s a nice characteristic.

Health monitoring

Google Match is the usual health monitoring app on the Diesel smartwatch, and it’s a complete, easy to make use of exercise companion for the common individual. It’s accessed with a left swipe on the house display screen the place you possibly can immediately see step rely and different metrics. Match’s Coronary heart Factors solely accumulate in the event you activate the watch’s coronary heart charge monitoring although, and that’s not good for the battery life.

Interacting with Google Match could be a gradual course of on the On Full Guard 2.5. Going from the house display screen to discovering a exercise plan, let’s say aerobics, and activating it could actually take minutes to organize, particularly if the Bluetooth connection is weak. The app wants to speak together with your telephone, which takes time, after which the slowness of the watch means there are lengthy pauses between display screen swaps. It will get much more maddening if the display screen turns off whilst you’re ready, as that may kick you out and drive you to start out once more.

Diesel On Full Guard 2.5 review Andy Boxall/Digital Developments

When you’re going, it’s nice. There are a lot of pre-made exercise monitoring methods, the show gives good at-a-glance data, and all the info is shortly transferred over to your telephone. The On Full Guard 2.5 has a coronary heart charge sensor on the again, and the outcomes have been in-line with these we obtained on the treadmill on the health club, suggesting it’s correct. Nevertheless, its use does drain the battery, significantly when it’s used repeatedly, as does the GPS.

Monitoring a night stroll, the GPS related shortly and when used with the telephone, quite than by itself, doesn’t have such a detrimental impact on the battery. The battery life drastically limits the On Full Guard’s usefulness as a health tracker, which is a disgrace as not solely is it succesful, it’s comfy to put on on the health club too.


The battery life on the Diesel On Full Guard 2.5 isn’t simply dangerous, it’s tragic. A full cost of the 300mAh cell lasts a working day, however no extra in the event you stretch its potential. Begin at 9 a.m. and by 7 p.m., the watch repeatedly confirmed round 15% remaining even with minimal use, and with none prolonged health options similar to coronary heart charge monitoring or GPS. Dare to trace a one hour exercise with Google Match and the guts charge monitor, and also you’ll eat by way of round 50% battery in a single go.

Setup is such a prolonged, stutter-filled, plodding expertise I by no means wish to pair the watch with one other telephone once more.

If I purposely didn’t contact the watch and solely noticed notifications, and turned off the guts charge monitor, then the On Full Guard lasted me all through the day and wanted charging earlier than going to mattress. This defeated the purpose of sporting a smartwatch.

When the watch will get to 10% battery, it mechanically activates the facility saver characteristic, the place solely the time and date is displayed. Notifications finish, and you may’t entry any apps until you flip the characteristic off. This stretches the remaining day trip to a number of hours, and not less than enabled me to nonetheless see the time. Recharging the watch is carried out by attaching it to a small round, plastic plinth. It magnetically snaps on the again of the On Full Guard 2.5, and the grip is robust sufficient that it doesn’t slide off simply. Recharging takes about 75 minutes.

There are only a few Put on OS smartwatches with profitable battery life, however the On Full Guard 2.5 stands out for being one of many worst I’ve used, and it’s a irritating draw back.

Value, guarantee, and availability

The Diesel On Full Guard 2.5 smartwatch prices $325 with the silicone or leather-based strap, or $350 with the metallic hyperlink bracelet. Within the U.Okay., the watch prices 320 British kilos with the leather-based or silicone strap, or 340 kilos for the metallic model. When you’re tempted, we love the optionally available brightly coloured, stitched nylon and silicone straps, which value $40 and are simply swapped on and off to match your outfit or temper. It’s accessible by way of Diesel’s personal on-line retailer, and thru Amazon too.

Diesel gives a two-year guarantee masking the motion, fingers, and dial. It doesn’t cowl the battery, strap, case, or crystal, nor will it cowl water injury.

Our Take

A putting statement-making smartwatch with appears that would kill, however in actuality it’s the battery that dies on an incredibly constant foundation. These beguiled by the fashion must also watch out for the gradual efficiency.

Is there a greater different?

When you personal an iPhone and are contemplating a smartwatch, cease studying this and simply go and purchase an Apple Watch Collection four. It’s the one logical determination, as it really works seamlessly together with your telephone, with glorious software program, sturdy battery life, and a wealth of equipment and straps accessible for it. It’s the most effective smartwatch you should purchase, and costs begin at $400.

You probably have an Android telephone, we advocate the $255 Fossil Sport which makes use of the newer Snapdragon 3100 platform and is cheaper than the On Full Guard 2.5, however isn’t as enticing. The $250 Mobvoi TicWatch Professional has nice battery life and a intelligent display screen, however the design isn’t inspiring. The $200 TicWatch C2 has higher appears, however not the Professional’s intelligent display screen.

Alternatively, take a detailed have a look at the $330 Samsung Galaxy Watch in the event you personal a Samsung Android telephone specifically, because the design, construct and software program are all top-notch. The $200 Samsung Galaxy Watch Energetic is a wonderful choice as properly, however the design is a bit plain. Lastly, if lengthy battery life and a design from a mainstream watch producer attracts you, then Casio’s $550 Professional Trek WSD-F30 is dear however glorious.

How lengthy will it final?

Waterproof to 50 meters, the On Full Guard 2.5 is waterproof so you possibly can swim with it. The physique is constituted of chrome steel and is hard-wearing, and also you’d must deal with it very badly to wreck it. I’ve worn it each day for round two weeks and regardless of some knocks and bumps, it nonetheless appears good.

The watch has Put on OS model 2.6 put in, and the Might 1 safety patch too. Google retains Put on OS updated,however doesn’t launch new variations with extra options or design alterations typically. The battery inside is the watch’s essential limiting issue, and can sooner or later grow to be even much less capable of maintain a cost than it’s now.

Do you have to purchase it?

No. The battery life is the Diesel On Full Guard 2.5’s main disadvantage, adopted by the sluggish efficiency. Each these add as much as a irritating possession expertise, which places you off sporting and utilizing the watch. It’s unattainable to advocate you splash out not less than $325 to personal one thing that can probably irritate to the purpose you don’t use it. If you’d like a Diesel watch, then might I counsel shopping for an everyday Diesel watch, like the brand new 57mm Mr. Daddy with pink nylon/silicone strap?

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