Garmin Instinct 3 Solar 45mm vs Nitecore NB Air
Weight and specs compared for 2026 — and which one to choose.
Rugged solar-powered GPS watch. 36-90 days smartwatch battery with solar charging capability.
Full details →Exceptionally lightweight power bank at 3oz. Ideal for day hikes.
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Garmin Instinct 3 Solar 45mm vs Nitecore NB Air: which should you buy?
If saving weight is your priority, the Garmin Instinct 3 Solar 45mm wins — at 53 g it is 32 g (38%) lighter than the Nitecore NB Air (85 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 electronics page, or browse the full gear weight database.