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Slate gray 46 mm smartwatch with full-color always-on display

Garmin

Garmin Forerunner 255 Music Slate Gray 46 mm

SKU CH-1VF7-CWW65

Slim GPS smartwatch with music storage, up to 14 days battery in smartwatch mode and 30 hours in GPS mode, plus adaptive daily workouts and morning health report

  • Always-on full-color display readable in direct sunlight
  • Up to 14 days smartwatch battery life
  • Up to 30 hours GPS battery life
  • Morning report with sleep, HRV status and workout suggestion
  • Adaptive daily suggested workouts for the week

Garmin Forerunner 255 Music Slate Gray 46 mm

The Garmin Forerunner 255 Music is a GPS running smartwatch built for athletes who want music storage on the wrist. It features a slim design with an always-on, full-color display that remains easy to read in direct sunlight. The slate gray 46 mm case sits light on the wrist for all-day comfort.

Up to 14 days battery in smartwatch mode

The single specification that decides fit is battery endurance: up to 14 days in smartwatch mode and up to 30 hours in GPS mode. Runners targeting ultra-distance events or multi-day stage races can train without daily charging. Shorter outings also benefit from the extended margin.

Works as a standalone training hub

The watch delivers morning reports with sleep, HRV status and daily workout suggestions. Daily suggested workouts adapt after every run to match performance and recovery. Race predictions use course details, weather and history. Buyers who need cellular connectivity or contactless payments should look elsewhere.

Highlights

  • Always-on full-color display readable in direct sunlight
  • Up to 14 days smartwatch battery life
  • Up to 30 hours GPS battery life
  • Morning report with sleep, HRV status and workout suggestion
  • Adaptive daily suggested workouts for the week

Specifications

No published specifications for this item yet.

Questions about this item

What does the 14-day smartwatch battery figure mean for daily charging?

In smartwatch mode the Forerunner 255 Music runs up to 14 days on a full charge, so most users only need to plug it in about once every two weeks.

How does the GPS mode affect the 30-hour battery rating?

With GPS active the watch lasts up to 30 hours, which covers multiple long runs or a full ultra-distance event before recharging.

Will the 46 mm case fit a narrow wrist?

The 46 mm case is the larger of the two sizes offered; the alternative 41 mm version is available for slimmer wrists.

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