Best Garmin Smartwatches for blood oxygen tracking

blood oxygen tracking Decision Dashboard

Best for blood oxygen tracking

Garmin Lily 2 Active

5.0 attribute score

Highest scored product for this attribute based on supporting review evidence.

Safest pick

Garmin Forerunner 170 Music

4.5 attribute score

Balances the attribute score, supporting reviews, and overall product strength.

Most evidence

Garmin MARQ Gen 2

3 supporting reviews

Has the broadest review evidence for this attribute.

Best overall product

Garmin Forerunner 165

4.3 overall score

Strongest overall product among items with scored evidence for this attribute.

#1 Garmin Lily 2 Active
5.0

One reviewer was very positive about Pulse Ox readings, saying the watch routinely matched their normal SpO2 range.

Pros: battery life, GPS accuracy

Cons: onboard music storage, mapping and navigation

#2 Garmin Forerunner 170
4.5

Pulse Ox is considered a meaningful upgrade over the previous entry-level generation and adds depth to overnight health monitoring.

Pros: value for money, battery life

Cons: mapping and navigation, materials quality

#3 Garmin Forerunner 170 Music
4.5

Pulse Ox is welcomed as part of the expanded health package, bringing a feature that previously sat above this entry-to-midrange tier.

Pros: value for money, GPS accuracy

Cons: mapping and navigation, third-party app support

#4 Garmin Forerunner 965
4.5

One reviewer found blood oxygen readings close to a pulse oximeter, supporting strong SpO2 tracking confidence.

Pros: battery life, GPS accuracy

Cons: smartwatch features, charging convenience

#5 Garmin Approach S70
4.0

Blood oxygen tracking receives limited but positive usefulness evidence as another health metric the reviewer liked monitoring.

Pros: display quality, value for money

Cons: charging convenience, smartphone notifications

#6 Garmin Epix Pro (Gen 2)
4.0

Blood oxygen tracking received limited but positive evidence, with one reviewer reporting readings stayed in the expected range during testing.

Pros: battery life, GPS accuracy

Cons: user interface, fit

#7 Garmin Forerunner 165
4.0

Blood oxygen tracking was treated as a useful extra by reviewers who valued the reassurance, though broader accuracy was not deeply tested.

Pros: value for money, GPS accuracy

Cons: recovery insights, onboard music storage

#8 Garmin Forerunner 970
4.0

PulseOx-related evidence centered on improved practicality, with one reviewer finding breathing-variation tracking no longer caused a notable overnight battery penalty.

Pros: heart rate accuracy, GPS accuracy

Cons: battery life, value for money

#9 Garmin Vivoactive 5
4.0

Blood oxygen tracking was treated as part of the watch’s broader accurate health-monitoring package in one review.

Pros: value for money, GPS accuracy

Cons: sleep tracking accuracy, recovery insights

#10 Garmin Vivoactive 6
4.0

Blood oxygen tracking appears as part of the watch's broader accurate health-monitoring package, but reviewers did not deeply test it as a standalone feature.

Pros: battery life, comfort

Cons: heart rate accuracy, sleep tracking accuracy

#11 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: value for money, style and design

Cons: battery life, display quality

#12 Garmin Forerunner 955
3.5

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

Pros: GPS accuracy, battery life

Cons: onboard music storage, charging convenience

#13 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: display quality, battery life

Cons: value for money, smartphone notifications

#14 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: battery life, display quality

Cons: smartwatch features, style and design

#15 Garmin Approach S50
3.2

Blood oxygen tracking was viewed as adequate but not cutting edge because reviewers noted the older Gen 4 sensor platform rather than Garmin’s newest hardware.

Pros: value for money, comfort

Cons: fit, band quality

#16 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: GPS accuracy, battery life

Cons: smartphone notifications, mapping and navigation

#17 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: value for money, battery life

Cons: menu navigation, user interface

#18 Garmin Venu 3
2.0

Blood oxygen tracking is weakly supported and mixed-to-negative: reviewers noted battery drain from using it and one scientific test was unimpressed with oxygen saturation measurements.

Pros: battery life, GPS accuracy

Cons: smartwatch features, smartphone notifications

#19 Garmin vivomove Trend
2.0

Blood oxygen tracking drew low confidence, with reviewers reporting suspect readings, incomplete overnight capture, and inaccurate low values.

Pros: style and design, charging convenience

Cons: battery life, charging speed

#20 Garmin fēnix 7X Pro
2.0

Blood oxygen tracking drew criticism from one reviewer who saw automatic measurements as superfluous and battery-costly.

Pros: battery life, mapping and navigation

Cons: value for money, score tracking

#21 Garmin Lily 2
1.8

Pulse Ox/SpO2 is treated skeptically, with reviewers warning that it can hurt battery life and produce readings that seem too low.

Pros: battery life, style and design

Cons: sleep tracking accuracy, workout tracking variety