Best 2022 Smartwatches for blood oxygen tracking

#1 Coros Apex 2
4.0

Blood oxygen tracking was lightly praised as part of altitude mode, but only one review gave a clear positive judgment.

Pros: resume later function, durability

Cons: watch face quality, call handling

#2 Fitbit Sense 2
4.0

Blood oxygen tracking is treated as a useful health metric, especially for overnight monitoring and illness awareness, though the review evidence is limited.

Pros: pairing reliability, durability

Cons: music controls, Wi-Fi connectivity

#3 Garmin Vivomove Sport
4.0

Blood-oxygen spot checks looked reasonable in limited testing, though one reviewer noted slightly lower readings and recommended repeating low measurements.

Pros: pairing reliability, reliability

Cons: contactless payments, onboard music storage

#4 Fitbit Versa 4
3.5

Blood oxygen tracking was treated as a useful overnight health signal, but reviewers discussed it as part of broader health-metric packages rather than as a standout feature.

Pros: pairing reliability, user interface

Cons: third-party app support, music controls

#5 Garmin Forerunner 955
3.5

Blood oxygen tracking was treated as useful when measured carefully, but movement and battery impact limited confidence.

Pros: outdoor visibility, charging speed

Cons: LTE connectivity, call handling

#6 Garmin MARQ Gen 2
3.3

Blood oxygen tracking was treated as useful when measured carefully, but reviewers also warned that Pulse Ox can drain battery heavily.

Pros: pairing reliability, reliability

Cons: size options, call handling

#7 Garmin Venu Sq 2
3.2

Blood oxygen tracking was appreciated, but evidence was split between accurate readings and complaints that on-demand or recorded SpO2 values could run low or odd.

Pros: charging speed, coaching features

Cons: ECG functionality, call handling

#8 Garmin Forerunner 255
3.2

Pulse Ox was mixed: one reviewer said still readings can be good, while another warned watch-based SpO2 was not consistent enough to rely on.

Pros: durability, cross-platform compatibility

Cons: stress tracking, app ecosystem

#9 Garmin Forerunner 255S
2.5

Blood oxygen tracking was treated as a battery-heavy feature rather than a standout health tool, with one reviewer recommending disabling continuous monitoring if battery matters.

Pros: step counting accuracy, fit

Cons: blood oxygen tracking, charging convenience

#10 Suunto 9 Peak Pro
1.8

Blood oxygen tracking was treated as a weak or inconsistent sensor feature, with reviewers reporting slow measurements, failed readings, or trouble on tattooed skin.

Pros: step counting accuracy, durability

Cons: voice assistant quality, contactless payments

#11 Tag Heuer Connected Calibre E4
1.5

Blood oxygen tracking is scored low because reviewers tied the missing sensor to limited serious health insight.

Pros: contactless payments, pairing reliability

Cons: LTE connectivity, call handling

#12 Polar Pacer Pro
1.5

Blood oxygen tracking was treated as a notable missing health sensor rather than a working feature.

Pros: workout tracking variety, activity auto-detection

Cons: onboard music storage, blood oxygen tracking