Apple Watch Ultra 3 vs Suunto Vertical 2

Apple Watch Ultra 3 and Suunto Vertical 2 are watches both released in 2025 by different brands, with overlapping phone compatibility. This comparison separates the catalog's listed specifications from missing information and approximate values. It covers 18 fields, including 11 exact differences; it does not choose a winner.

Specifications side by side

FieldApple Watch Ultra 3Suunto Vertical 2
Release year20252025
Case sizes49 mm49 mm
DisplayWide-angle LTPO3 OLED, Always-OnLTPO AMOLED 1.5"
Brightness3000 nits2000 nits
Battery, as listedUp to 42 hours · 72 hours saverUp to 20 days · 65 GPS hours dual-frequency
Operating systemwatchOS 26 (upgradable to 27)Suunto OS
Phone compatibilityiPhoneAndroid, iPhone
Cellular connectioneSIM · 5GNone
Water rating10ATM · EN13319 (diving)10ATM
GlassSapphireSapphire
Case materialTitanium (natural/black)Stainless steel / grade-5 titanium
GPSDual-frequency GNSSDual-frequency GNSS
MapsYesYes
Payment systemApple PayNone listed
Plan requirementNot requiredNot required
Listed sensors and featuresSleep apnea, ECG, HRV, Readiness score, SpO2, Skin temperatureHRV, Readiness score, SpO2
Safety featuresCrash detection, depth, Fall detection, Satellite SOS, siren, SOS callingSOS calling
Hardware flashlightNoYes

"Not listed" means the catalog has no usable value for that field. It does not mean the watch lacks the feature. Approximate values stay visible but do not support the difference count or numeric deltas.

Where they differ

Where they are the same

Which one fits you

Apple Watch Ultra 3 is listed as a watch compatible with iPhone. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that one model is better in every respect.

Suunto Vertical 2 is listed as a watch compatible with Android, iPhone. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that one model is better in every respect.

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