For whom?
Regular sportsmen (running, trail, triathlon). Not for pros (lack of cartography) or geeks (non -tactile screen). Ideal for those looking for a complete training tool without frills.
See the Forerunner 255 and the opinions on Amazon
Design & Comfort
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Solid but sober : resistant case, flexible bracelet.
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Two sizes (41mm/46mm) to adapt to all morphologies.
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Rigid buttons (harder than the previous model), noticeable mechanical noise.
Features
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Specific sensors : Double frequency GPS (top in forest/mountain), reliable v4 elevate v4, barometric altimeter.
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Serious features : native racing power, triathlon mode, detailed monitoring of recovery (Body Battery), morning report.
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Gaps : No Training Readiness score (reserved for high -end models), MIP screen less readable than the AMOLED.
Autonomy
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30 hours in classic GPS4 p.m. in multi-gNSS + double frequency.
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14 days in watch mode (12 days in real with notifications).
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Fast recharge possible during activity.
→ Honorable outfit, but divided by 2 with precise GPS mode.
Strengths/Weak points
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What kills ::
➔ Pro-level GPS precision
➔ Double housing size
➔ Unbeatable quality-function report in its category -
What disappoints ::
➔ buttons less reactive than fenix
➔ Inward price vs Forerunner 245
➔ Less bright screen than the Amoled (ex: Forerunner 265).
Verdict
Top For demanding athletes who prioritize reliability and training metrics. Flop If you want a premium design or a touch screen.
Scott Gilbertson, a specialized journalist at Wired, underlines in his detailed test that the Forerunner 255 offers GPS “Pro-Level” precision, ideal for runners looking for reliable monitoring without superfluous.
Alternative ::
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Coros Pace 3 : Best autonomy/price ratio, ideal for minimalists.
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Garmin Forerunner 265 : AMOLED screen + Training Readiness, but + dear.
For the price (≈350 €) : Best versatile GPS watch in 2025. A sustainable investment, not a gadget.