Descent Mk2 vs Garmin Forerunner 55
Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
You're choosing between a top-tier dive computer and a dedicated running watch, both from Garmin.
Pick Descent Mk2 if you are a serious diver who needs a dedicated dive computer and a multisport watch for surface adventures.
Pick Garmin Forerunner 55 if you are a runner or triathlete focused solely on land-based training and want a lightweight, dedicated sports watch.
- —Descent Mk2 is built for deep diving with air integration, while Forerunner 55 is designed for running metrics like cadence and pace.
- —Forerunner 55 is lighter and simpler for daily wear, whereas Descent Mk2 is a bulkier, more rugged tool.
- —Descent Mk2 commands a premium for its diving capabilities, while Forerunner 55 is an accessible entry into Garmin's running ecosystem.
Full specs
Ask anything — we'll answer with Descent Mk2 and Garmin Forerunner 55 in mind.
Pindear may earn a commission when you buy through these links. Winners are determined by numeric spec comparisons only; non-numeric features (app quality, ecosystem, real-world feel) are covered in the verdict.