Casio Pro Trek PRG-300 vs Garmin Fenix 8 AMOLED 43mm
Weight and specs compared for 2026 — and which one to choose.
Lightweight outdoor GPS smartwatch with triple sensors, barometric pressure, and Tough Solar charging. Compact 56×47×12.6mm design.
Full details →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-300 vs Garmin Fenix 8 AMOLED 43mm: which should you buy?
If saving weight is your priority, the Casio Pro Trek PRG-300 wins — at 57 g it is 3 g (5%) lighter than the Garmin Fenix 8 AMOLED 43mm (60 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.