Watches that measure blood oxygen saturation (SpO2): these are the best you can buy

Smart watches are getting better and better, especially in features that have to do with health, and the proof of this is that many are already capable of measuring data such as blood oxygen saturation.

If there is a trend that is consolidating in the technology sector, it is the commitment of manufacturers to smart watches and bracelets, especially focusing on two aspects: sports and health, closely related in most cases.

This bet has led to a multiplication of devices capable of measuring values ​​related to physical well-being, such as heart rate, VO2 Max, stress level or blood oxygen saturationsomething for which it was previously necessary to use several different devices, but now some smartwatches for less than 100 euros do.

To make it easy for you, we have compiled several smart watches that measure blood oxygen saturation, also known as SpO2, that is, they have a pulse oximeter.

This value accurately measures the ability of your respiratory system to “fill” the bloodstream with oxygen.. Low saturation usually indicates short-term problems, which is why more and more manufacturers include this function in their devices.

We have chosen several models that move in quite different price segments, and the fact is that the range in which you can find an SpO2 meter in a smart watch is very wide.

Huawei Watch Fit 2 for sale on Amazon

Now with a 13% discountthe new version of the Watch Fit 2 will also allow you to answer calls via Bluetooth or send quick responses.

It will monitor your health, with values ​​such as blood oxygen saturation (SPO2), heart rate or stress level. It also controls your physical activity and even has a stretching program with voice prompts.

It has a 1.74-inch AMOLED screen, but it has ultra-thin bezels, making it look even bigger. This model stands out for the battery duration: With a charge of only 5 minutes it lasts you the whole day.

Apple Watch Series 7 for sale on Amazon

We now come to the model that undoubtedly sets the pace for the rest of the industry, whether deserved or not. Unveiled in October 2021, the Watch Series 7 improvement in battery capacity and precision, redoubling its commitment to features of previous versions.

We refer, for example, to noise alerts, due to falls and electrocardiograms, to which the measurement of oxygen saturation is now added.

You have very complete versions like the one from 45mm at a 7% discount.

Samsung Galaxy Watch 5 for sale on Amazon

Samsung already has a new installment of its popular Galaxy Watch. Version 5 incorporates the routeworkout function, to import training routes in GPX format from your smartphone to the smartwatch.

They also assure that this version surpasses its predecessor in hardness: according to official data, it is a 1.6 times stronger to scratches. It has a sapphire crystal dial.

Monitor your health thanks to a tandem of effective sensors: bioelectrical impedance analysis, electrical cardiac (ECG) and optical heart rate. Now you have it on Amazon for less than 375 euros.

Huawei Watch 3 Pro for sale on Amazon

It seems unbelievable that such a complete watch for diving, that withstands 200 pressure cycles and can be submerged up to 30 meters, have this “business casual” look. It registers you until the times of apnea.

More than 100 sports modalities, it will be your wrist trainer. It has 8 sensors, to measure blood oxygen and heart rate.

Furthermore, its sphere Shine in the darkness and it has ultra-fast charging (100% in just 10 minutes).

Garmin Fenix ​​7X Sapphire Solar for sale on Amazon

One of the most complete, and also of the most expensive. That’s why you can’t let go little ones discounts like this 6% on Amazon.

It is a watch that take advantage of solar energy to extend the autonomy of your battery. In addition, it has a shock-resistant screen, with great thermal performance and impermeability.

They ensure that you comply with the us military standardand. In addition to the pulse oximeter, on your wrist you will have control of your breathing and hydration. And if you want you can pay with it with contactless with Garmin Pay.

Fitbit Sense for sale on Amazon

Unlike other Fitbit models, the Sense is a watch that is practically geared towards the 100% to health, and the proof of this is that in addition to measuring blood oxygen saturation it also measures things like skin temperature.

In theory, the electrocardiogram reality function is also yet to come, although all this has a cost: 244 euros. Of course, with a 27% discount.

It is by no means the most affordable model, not even in the Fitbit catalogue, but taking into account its characteristics we can say that it is an adjusted price.

Beyond the measurement of health values, it is a Sport watch with very good performance.

Garmin Forerunner 245 for sale on Amazon

This model is one of the cheapest Garmin sports watches, a brand well known by all athletes who run or triathlon and that enjoys your complete confidence.

In addition to measuring SpO2, it also has VO2 Max measurement, two values ​​that will allow you to get a fairly precise idea of ​​your physical fitness, and all of this for 291 euros, an adjusted price if we take into account what it offers.

Of course it has GPS and a battery life of more than a week, but not only that, but it includes training and personalized sessions and free from Garmin.

It is a good investment if you are concerned about your performance and want improve in the short term.

Withings ScanWatch for sale on Amazon

This model gives you a electrocardiogram. With the ECG function, it can detect atrial fibrillation and determine whether the heartbeat is normal. In addition, it measures the blood saturation level, as they say, with clinical precision.

It also detects respiratory disorders and Sleep apnea. With all this precise information, you will be able to control your workouts accurately and without compromising your health.

Now you have a 18% discount on Amazon at 38mm version.