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Coros APEX 4 (42mm) vs Coros Apex 4 (42mm with silicone strap)

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

Both weigh the same at 56 g, so choose on features, price and fit.
Spec Coros APEX 4 (42mm) Coros Apex 4 (42mm with silicone strap)
Weight 56 g · 0.056 kg · 0.12 lb 56 g · 0.056 kg · 0.12 lb
Brand Coros Coros
Category Electronics Electronics
Coros APEX 4 (42mm)
56 g

Mountain sports GPS watch with dual-frequency satellite positioning for improved accuracy, ECG heart rhythm monitoring, and barometric altimeter for navigation

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Coros Apex 4 (42mm with silicone strap)
56 g

Rugged mountain sports GPS watch with AMOLED display, up to 85hr GPS battery. 56g in 42mm size, available with nylon strap option (lighter at 51g)

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Coros APEX 4 (42mm) vs Coros Apex 4 (42mm with silicone strap): which should you buy?

On weight these two are identical (56 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.

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

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