If you want better blood oxygen tracking
Choose OnePlus Watch 3. It scores 4.9 vs 1.5 for blood oxygen tracking, with a 4.0 overall score.
Tag Heuer Connected Calibre E4 Review
Bottom Line
Choose it for luxury-watch styling, vivid TAG faces, solid build, and casual smartwatch use. Skip it if you need top fitness accuracy, call handling, LTE, or strong value.
Best for
Best for buyers who want a luxury smartwatch that looks like a traditional TAG Heuer, has standout watch faces, and handles notifications, apps, and casual activity tracking with polish.
Not for
Not for users who prioritize serious sports metrics, medical-style health sensors, LTE, call handling, iPhone integration, or the most functionality for the money.
Verdict
The Connected Calibre E4 earns its strongest praise as a luxury object first: reviewers consistently admired the traditional TAG-like design, premium materials, vivid display, distinctive watch faces, comfortable straps, and smoother later Wear OS experience. The tradeoff is that the technical package does not consistently match the price. Battery life is acceptable to good, charging is convenient, and casual workouts are easy to track, but heart-rate and GPS accuracy are uneven, deeper health sensors are limited, LTE and call handling are missing, and iPhone support is comparatively restrained. The consensus is a polished luxury smartwatch for status-conscious everyday use, not a best-in-class fitness or value pick.
Feature Scorecards
Summary
51 reviewed features-
Very positive 4.5-5.020 (39%)
-
Positive 3.5-4.419 (37%)
-
Neutral 2.5-3.44 (8%)
-
Negative 1.5-2.46 (12%)
-
Very negative below 1.52 (4%)
Pros
-
Style and design are the strongest consensus positives, with reviewers repeatedly praising the luxury-watch look, elegance, and statement appeal.
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Display quality is a standout strength, with reviewers consistently praising sharpness, color, resolution, and AMOLED presentation.
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Watch faces are a major consensus strength, praised for detail, high resolution, brand character, artistry, and always-on presentation.
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Brightness is strongly praised, especially the vivid dials and bright AMOLED screen.
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Build quality is consistently excellent, described as luxury-grade, refined, solid, and watch-like.
-
Software smoothness is one of the stronger technical areas, with reviewers repeatedly reporting snappy performance and little or no lag.
Cons
-
Call handling is a clear weakness because multiple reviewers complained that calls cannot be taken on the watch.
-
LTE connectivity is a repeated absence and a clear limitation versus other smartwatches.
-
Blood oxygen tracking is scored low because reviewers tied the missing sensor to limited serious health insight.
-
ECG functionality is scored low because reviewers described the lack of ECG as part of the watch's limited medical-style health feature set.
-
Calorie tracking is weak because reviewers said inaccurate heart-rate data undermined calorie-burn calculations.
-
The only scored evidence frames sleep tracking negatively because the reviewer complained it is missing alongside other health features.
Compared With Category Average
Compared with other Smartwatches, this product is above average in contactless payments, size options, voice assistant quality, near average in customization options, battery life, below average in sleep tracking accuracy, call handling, blood oxygen tracking.
Comparison summary
51 compared features-
Above average 0.4+ pts higher26 (51%)
-
Same as average within 0.3 pts12 (24%)
-
Below average 0.4+ pts lower13 (25%)
Largest category differences
| Attribute | This product | Category average | Difference |
|---|---|---|---|
| contactless payments | 5.0 | 2.7 | +2.3 |
| sleep tracking accuracy | 1.5 | 3.7 | -2.2 |
| call handling | 1.3 | 3.3 | -2.0 |
| blood oxygen tracking | 1.5 | 3.4 | -1.9 |
| safety features | 2.0 | 3.9 | -1.9 |
| health tracking accuracy | 2.3 | 3.9 | -1.6 |
| size options | 4.6 | 3.2 | +1.4 |
| calorie tracking usefulness | 1.8 | 3.3 | -1.5 |
Consider This Instead
If you want better safety features
Choose Garmin Venu 3. It scores 5.0 vs 2.0 for safety features, with a 4.1 overall score.
If you want better operating system experience
Choose Google Pixel Watch 4. It scores 4.8 vs 4.2 for operating system experience, with a 4.2 overall score.
If you want better value for money
Choose Amazfit Active 2. It scores 5.0 vs 2.8 for value for money, with a 4.0 overall score.
Compared in Reviews
Products reviewers directly compared with this model, grouped into quick takeaways.
- Better: overall smartwatch functionality The reviewer said the Calibre E4 does less than an Apple Watch despite its higher luxury positioning.
- Better: workout comfort and fitness focus The reviewer felt working out with the Calibre E4 was less natural than using an Apple Watch.
- Better: serious fitness tracking The reviewer said serious sports tracking buyers should look at a Garmin Forerunner 265 instead.
- Better: serious fitness tracking The reviewer listed the Garmin Vivomove Trend as a better fitness-oriented direction for serious tracking needs.
FAQ
Is the TAG Heuer Connected Calibre E4 mainly a luxury watch or a fitness watch?
Reviewers present it mainly as a luxury smartwatch. It can track casual workouts, but its strongest evidence is around design, materials, display, and watch faces.
How accurate is the fitness tracking?
The reviews are mixed to negative for serious tracking. GPS can be fast or passable, but several reviewers reported over-reported distance, heart-rate gaps, and weaker performance than dedicated sports watches.
How good is the battery life?
Battery life is improved and usually good for a full day, with some 45mm experiences reaching around two days. Reviewers still noted it is not week-long and can vary with GPS, always-on display, and model size.
Does it work better with Android or iPhone?
It works with both, but the review evidence favors Android. iPhone support was described as more basic, with limited notification interaction and weaker integration than an Apple Watch.
Can it take calls or use LTE?
No. Multiple reviewers called out the lack of call handling and LTE as clear limitations compared with other smartwatches.
Are the watch faces and customization good?
Yes. Reviewers repeatedly praised TAG Heuer's watch faces as detailed, sharp, artistic, and brand-rich, and also liked the strap and face customization options.
Sample Expert Reviews We Analyzed
These are a few of the reviews included in our analysis.
Video Reviews
YouTube - DougFNJ Watch Reviews
- Review score
- 4.7
YouTube - DougFNJ Watch Reviews
- Review score
- 4.7
YouTube - Time+Tide Watches
- Review score
- 4.8
YouTube - NewGadgets.de
- Review score
- 4.4
Article Reviews
menshealth.com
- Review score
- 4.9
ablogtowatch.com
- Review score
- 4.8
digitaltrends.com
- Review score
- 3.9
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