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Casio Pro Trek PRG-340 vs Garmin Fenix 8 AMOLED 43mm

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec Casio Pro Trek PRG-340 Garmin Fenix 8 AMOLED 43mm
Weight 66 g · 0.066 kg · 0.15 lb 60 g · 0.060 kg · 0.13 lb
Brand Casio Garmin
Category Electronics Electronics
Casio Pro Trek PRG-340
66 g

Solar-powered outdoor watch with triple sensor.

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Garmin Fenix 8 AMOLED 43mm
60 g

Premium multisport GPS smartwatch with AMOLED display, titanium case, multi-GNSS support, and built-in LED flashlight. 43mm size, lightweight at only 60g with t...

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Casio Pro Trek PRG-340 vs Garmin Fenix 8 AMOLED 43mm: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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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