COROS Apex 4 GPS Watch vs Garmin Montana 700i
Weight and specs compared for 2026 — and which one to choose.
Mountain sports GPS watch at just 64g for 46mm model with 65-hour GPS battery, touchscreen AMOLED display and training metrics.
Full details →Ruggedised GPS with large touchscreen and inReach satellite.
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COROS Apex 4 GPS Watch vs Garmin Montana 700i: which should you buy?
If saving weight is your priority, the COROS Apex 4 GPS Watch wins — at 64 g it is 326 g (84%) lighter than the Garmin Montana 700i (390 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.