Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This choice is between a premium aviation-focused smartwatch and a dedicated running watch.
Pick MARQ Aviator (Gen 2) if your 'pro' needs include aviation data, top-tier materials, and advanced navigation.
Pick Garmin Forerunner 55 if your 'pro' life centers on running with a lightweight, purpose-built training tool.
Ask anything — we'll answer with MARQ Aviator (Gen 2) and Garmin Forerunner 55 in mind for pro use.
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.
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