Tag Heuer Connected Calibre E4 45mm review: big and bold


Tag Heuer Connected Calbre E4 45mm worn on a mans wrist.

Tag Heuer Related Calibre E4 (45mm)

MSRP $2,050.00

“The 45mm Tag Heuer Related Calibre E4 is strong and opulent, makes a daring assertion in your wrist, and has nice battery life and efficiency.”


  • Massive and daring design
  • Selection of luxurious supplies
  • Greater than two-day battery
  • Sharp display screen and distinctive watch faces
  • Put on OS 3 transforms the software program


  • No in-depth well being monitoring
  • Cannot take cellphone calls

I actually like huge watches. I purchase too many G-Shocks and Seiko divers watches, and I contemplate my Tag Heuer Components 1’s sizable 43mm case nearly proper. Nonetheless, prior to now, it’s the smaller of the 2 Tag Heuer Related smartwatches which have been my advice. And having worn the Connected Calibre E4 42mm model — and considering it was nearly precisely proper by way of dimension — I didn’t actually perceive who the 45mm model of the smartwatch was for.

It seems that considering solely about dimension is the unsuitable option to method these two smartwatches, and won’t assist you decide about which one to purchase. Let me clarify.

Assessment replace July 2023: The 45mm Tag Heuer Related Calibre E4’s assessment rating was bumped as much as an 8/10 and acquired a Beneficial Product Award after we revisited a model of the smartwatch with Google’s Put on OS 3 put in. The brand new software program has remodeled the expertise. A brand new part beneath talks extra about it, and we have now an entire take a look at the Vibrant Black Version watch with Put on OS 3 right here.

Tag Heuer Related Calibre E4: design

The Tag Heuer Connected Calbre E4 45mm seen from the front.
Andy Boxall/Digital Traits

The 45mm case of the Tag Heuer Related Calibre E4 is constructed from chrome steel, and so is the folding clasp, whereas the bezel is ceramic. It appears to be like and looks like a luxurious product ought to. The end on the chrome steel places the very ordinary-looking titanium on the Samsung Galaxy Watch 5 Pro to disgrace, because it combines each a sand-blasted-like texture with extremely polished sections for actual visible attraction. The polished bezel glints within the solar, and the display screen is about proper up in opposition to the sapphire crystal for a really watch-like look.

Is it too huge? It’s on my 6.5-inch wrist within the images, and I don’t assume it appears to be like ridiculous, however there’s little question it’s a giant smartwatch. It’s really the burden that’s extra noticeable. It’s 115 grams, so greater than twice that of an Apple Watch Series 8 with a Braided Solo Loop strap, and that makes it uncomfortable to put on in a single day. Nonetheless, Tag Heuer doesn’t actually push sleep monitoring as a key characteristic.

The Tag Heuer Connected Calbre E4 45mm worn on a mans wrist.
Andy Boxall/Digital Traits

The perforated rubber strap with Tag Heuer’s unbelievable folding clasp may be very comfy, extra so than the total rubber model that was fitted to the 42mm Connected Calibre E4 that I beforehand wore. It’s additionally easy and quick to regulate at any time, making it very straightforward to reside with. You will get the 45mm smartwatch with a metallic bracelet if the rubber model doesn’t really feel upmarket sufficient, however I’d give this one a strive earlier than you make that call.

The crown is roofed in rubber to make it simpler to rotate and scroll via the menus, plus the pushers have a dampened movement, so that they really feel much less like buttons. I just like the solidity of the Related Calibre E4 45mm, it’s an clearly luxurious product, and I believe it appears to be like very good, even whether it is fairly huge. But it surely’s essential to not assume of this because the “huge” Related Calibre E4.

The Tag Heuer Connected Calbre E4 45mm's case back.
Andy Boxall/Digital Traits

As an alternative, consider it because the “in your face” model, as a result of that is the place the 2 fashions actually differ. The 42mm model will get the stability of presence and on a regular basis wearability good, and whereas I do admire the 45mm mannequin will simply dominate small wrists, it’s extra purposeful, extra impactful, and an absolute assertion piece in your wrist.

It’s a smartwatch individuals will discover, not simply due to the dimensions, but in addition due to the massive, vivid display screen that actually reveals off the unbelievable Tag Heuer watch faces. The 45mm mannequin attracts consideration, whereas the 42mm model is a bit more delicate. Neither are for shrinking violets, because the 42mm model is hardly tiny, however if you would like your smartwatch to fly a bit of below the radar, then that’s the one to decide on. For those who’re the other, the 45mm Related Calibre E4 is the one for you.

Tag Heuer Related Calibre E4: display screen and efficiency

Below the sapphire crystal is a 1.39-inch AMOLED display screen with a 454 x 454 decision, and it’s wonderful — actually vivid and sharp. I had completely no drawback viewing it in vivid daylight exterior. The processor is Qualcomm’s Snapdragon 4100+, there’s Bluetooth and Wi-Fi, however no possibility to purchase a mannequin with a 4G LTE cellular connection, and no skill to take calls both. Once I reviewed the Related Calibre E4 it got here with Google’s Put on OS 2 put in, however there’s an update for Wear OS 3 obtainable now.

I’ve subsequently used a Related Calibre E4 with Put on OS 3, and in a later part speak concerning the expertise. For now although, lets speak concerning the efficiency, which has been nice. I’ve used the smartwatch related to an iPhone 13 Pro after which an Android cellphone, which I additionally did with the 42mm mannequin, and it carried out in the identical method.

Screenshots taken from Tag Heuer's smartwatch app.
Tag Heuer app screenshots

I went into element about what to anticipate from the smartwatch if you join it to both iOS or Android in my review of the 42mm version, and since my expertise has been similar, I like to recommend having a learn of that as effectively. Curiously the vibration alerts are extra noticeable on the 45mm than I keep in mind on the 42mm, and I didn’t really feel the necessity to change the default setting.

Whereas the smartwatch works with each these techniques, it’s a troublesome promote for iPhone customers. The Apple Watch is the smartwatch we recommend buying you probably have an iPhone, because it totally integrates with iOS, so that you profit from extra options. If in case you have a Samsung cellphone, the Galaxy Watch 5 is a extra full product by way of options, and the Mobvoi TicWatch Pro 5 makes use of the newest software program and Qualcomm processor to nice impact. Nonetheless, the Tag Heuer beats all of them in supplies, design, and construct.

Tag Heuer Related Calibre E4: exercise monitoring

Fitness tracking modes on the Tag Heuer Connected Calbre E4 45mm.
Andy Boxall/Digital Traits

Tag Heuer pre-installs its personal exercise monitoring app on the Calibre E4, and it syncs with the Tag Heuer app in your cellphone, which can also be used to attach the watch to your cellphone with Put on OS 3. Nonetheless, don’t anticipate it to match or exceed the health and well being monitoring capabilities of a mannequin just like the Garmin Forerunner 265 or a life-style mannequin just like the Garmin Vivomove Trend. Tag Heuer’s app, options, and the watch’s design are squarely aimed on the informal exerciser.

It covers the fundamentals with a coronary heart fee sensor on the again, however there’s no blood oxygen monitoring or something as “medical” as an electrocardiogram. The app covers essentially the most typically encountered exercises — strolling, working, biking, swimming, and so forth — and there are some quick animated exercises on the watch, too, however nothing in-depth. It doesn’t present any suggestions on the place to enhance both. It’s for monitoring, not for motivation. This method suits in with the smartwatch’s design. It’s one thing I’d put on on the golf course, not within the fitness center.

Press the highest button on the case to open the health app, and also you’ll instantly see how attractively designed and easy to make use of it’s. It really works with the twist crown, and also you begin and cease exercise monitoring utilizing the buttons, not the display screen. It’s much less fiddly and simpler should you’re carrying gloves, too. The app put in in your cellphone gives extra knowledge in your exercise, together with a map should you used GPS.

Steps and heart rate shown on the Tag Heuer Connected Calbre E4 45mm.
Andy Boxall/Digital Traits

There are nonetheless some discrepancies in relation to that knowledge in comparison with different monitoring gadgets. I encountered coronary heart fee variations with the 42mm mannequin, and this continues right here, nevertheless it’s not fairly so drastic. The common coronary heart fee recorded by the smartwatch is decrease than the one recorded by each the Apple Watch and the Oura Ring, plus it additionally overestimates the space you’ve walked or run in comparison with each.

It’s not the final phrase in monitoring accuracy, however the instruments it gives are straightforward to make use of, effectively designed, and there’s loads of info when you’ve completed monitoring an exercise. It’s completely acceptable for anybody all in favour of getting a normal concept of exercise ranges, nevertheless it’s not for critical sportspeople. The smartwatch changed the Galaxy Watch 5 Pro on my wrist, and there’s no contest between them. The Samsung smartwatch is the much better alternative should you’re critical about health and well being monitoring.

Tag Heuer Related Calibre E4: battery and charging

The Tag Heuer Connected Calbre E4 45mm on its charging stand.
Andy Boxall/Digital Traits

Count on the battery to final for 2 days or maybe a bit of longer should you don’t monitor your sleep. I achieved two-and-a-half working days with a single 45-minute GPS exercise tracked and the always-on display screen lively. This can be a little longer than the common I bought with the 42mm model and a bit of longer than we’re seeing from the Galaxy Watch 5, too. It’s additionally not that a lot shorter than the Galaxy Watch 5 Professional.

I just like the charging stand you get with the smartwatch, which has an illuminated Tag Heuer brand, helps the watch so you’ll be able to see the time, and is good to your nightstand. After about half-hour, anticipate the battery to succeed in 60% cost and for 100% to reach in about 70 minutes. Contemplating the know-how and software program contained in the smartwatch aren’t absolutely the newest obtainable, the lengthy battery life and quick charging are considerably sudden however extremely fascinating advantages.

Tag Heuer Related Calibre E4 (45mm): value and availability

The Tag Heuer Related Calibre E4 45mm is that can be purchased now, and the model with the rubber strap (which is available in a couple of totally different colours) seen in our images prices $2,050 or 1,700 British kilos. or one with a metal bracelet prices $2,250 or 1,850 kilos. If you need the titanium model, the worth goes as much as $2,500 or 2,100 kilos.

There’s additionally the particular Connected Golf model with its titanium case, particular strap, and varied {golfing} apps for $2,650 or 2,200 kilos. Alternatively, the Connected Porsche version is available in a particular colour scheme and with a novel strap, plus apps that work together with your Porsche. It prices $2,750 or 2,300 kilos.

Utilizing Put on OS 3 on the Vibrant Black Version smartwatch

The Tag Heuer Connected Calibre E4 Bright Black Edition on a person's wrist.
Andy Boxall/Digital Traits

Since first reviewing the 45mm Related Calibre E4, I had the chance to try the new titanium Bright Black Edition model, which comes with Google’s Put on OS 3 pre-installed. The smartwatch has the identical specification other than the software program and the end, however it’s lighter — simply 89 grams — and that makes a distinction to the wearability. It additionally has an important strap, with rubber subsequent to your pores and skin and leather-based excessive. It’s luxurious and actually comfy.

What concerning the software program? Put on OS 3 is noticeably smoother and sooner on the Related Calibre E4 and is an actual pleasure to make use of. The design is extra fashionable, and Tag Heuer has given the complete system a visible overhaul, which appears to be like very good. It’s the identical with the app, which replaces the necessity for the a number of apps wanted with Put on OS 2. It’s slick, free from fluff, and informative too. The improve to Put on OS 3 has given the Related Calibre a method and performance enhance, and it’s even higher than ever.

The $2,750 45mm Vibrant Black Version is joined by a $2,400 42mm Golden Vibrant Version, making them equally priced to the opposite particular editions launched by Tag Heuer.

Tag Heuer Related Calibre E4: verdict

Overlook concerning the dimension when selecting between the 42mm and 45mm Tag Heuer Related Calibre E4 smartwatches. It’s actually not that related, as regardless that the 42mm is the smaller of the 2, it’s hardly tiny. As an alternative, take into consideration whether or not you wish to make an announcement or not, as a result of the 45mm model is way extra noticeable in your wrist. Outdoors of this, the 2 carry out in nearly precisely the identical method, other than the battery life and charging, because the 45mm mannequin has lasted a bit of longer and fees barely sooner.

Keep in mind, this isn’t actually about monitoring marathons or all-day bike rides with pinpoint accuracy. If you need one thing like that, you need to be wanting on the Mobvoi TicWatch Pro 5, the Apple Watch Series 8, or the Garmin Forerunner 265. It’s fantastic to trace a couple of normal actions every week. That’s what I’ve performed, and it really works effectively. I spent the remainder of the time admiring it on my wrist. I’ve bought used to the dimensions and weight, though the lighter titanium variations take away the burden challenge, and love the way in which it exudes that distinctive “one thing particular” if you look down at it, identical to a Tag Heuer watch ought to.

Unquestionably costly, unnecessarily noticeable, and to some, disappointingly primary in relation to tech. The Tag Heuer Related Calibre E4 makes up for all this with its wonderful construct high quality, very good supplies, statement-making design, and absolute desirability. The improve to Put on OS 3 transforms the software program on the watch and the app too.

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