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Garmin Instinct 3 Solar vs Suunto A-10 Compass

Weight and specs compared for 2026 — and which one to choose.

Suunto A-10 Compass is the lighter option — 24 g lighter than the Garmin Instinct 3 Solar (46% less weight). If grams matter to you, that is the one to beat.
Spec Garmin Instinct 3 Solar Suunto A-10 Compass
Weight 52 g · 0.052 kg · 0.11 lb 28 g · 0.028 kg · 0.06 lb
Brand Garmin Suunto
Category Navigation Navigation
Garmin Instinct 3 Solar
52 g

Rugged GPS smartwatch with solar charging, 28-day battery in smartwatch mode, and unlimited battery in expedition GPS mode. Altimeter, compass included.

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Suunto A-10 Compass
28 g

Classic baseplate compass for map navigation.

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Garmin Instinct 3 Solar vs Suunto A-10 Compass: which should you buy?

If saving weight is your priority, the Suunto A-10 Compass wins — at 28 g it is 24 g (46%) lighter than the Garmin Instinct 3 Solar (52 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest navigation page, or browse the full gear weight database.

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