Garmin Forerunner 255 Slate Grey

46 mm
Currently out of stock
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Wristband colour2

Wristband material2

Product details

Achieve your training goals. Improve your pace, track your performance progress, and utilize physiological metrics to make your running or triathlon training even more efficient – with this GPS running watch, you can do more. Your morning report provides an overview of your sleep, heart rate variability status, and daily workouts. Spend less time charging and more time training – with a battery life of up to 14 days in smartwatch mode and up to 30 hours in GPS mode. Test your limits with an integrated triathlon feature and over 30 activity profiles. Plan your strategy in the race widget with daily training recommendations, route details, and more. Numerous advanced metrics and training features help you reach your goals. Replenish your energy reserves after training and make contactless payments with Garmin Pay. Long battery life: With a battery life of up to 14 days in smartwatch mode and up to 30 hours in GPS mode, you won’t have to miss out on health and sleep data. (Almost) as light as a feather: The Forerunner 255 weighs only 49 g with its sleek design. Whether during the day or while sleeping, you might almost forget you’re wearing it. Sweat-resistant materials: User-friendly buttons, a silicone strap, and durable Corning Gorilla Glass 3 – this smartwatch is built to withstand it all.

Key specifications

Smartwatch functions
DatebooksFind my phoneMusic functionalitiesSmart notifications
Health functions
Sleep recording
Activities
Triathlon
Operating system compatibility
AndroidiOS
Wristband material
Plastic
Case material
Polymer
Item number
25009447

General information

Manufacturer
Garmin
Category
Smartwatches
Manufacturer no.
010-02641-10
Release date
3.4.2023

Colour

Exact colour description
Slate grey

Watch properties

Watch type
Sports watch
Durability
Waterproof (5 ATM)
Operating system
Garmin
Operating system compatibility
AndroidiOS

Functions

Smartwatch functions
DatebooksFind my phoneMusic functionalitiesSmart notifications
Health functions
Sleep recording
Activities
Triathlon
Payment service
Garmin Pay
Localisation technology
GalileoGLONASSGPS

Display properties

Time display
Digital
Screen technology
LCD
Display size (inches)
1.30"
Image resolution
260 x 260 pixels

Wristband properties

Wristband colour
Grey
Wristband material
Plastic
Strap description
Sports bracelet

Case properties

Case colour
Grey
Case material
Polymer
Glass
Gorilla Glass 3
Case diameter
46 mm

Connectivity

Connectivity
Wi-Fi Direct

Power supply

Power supply
Rechargeable battery operated
Battery life (without GPS)
14 Days
Runtime (in GPS mode)
1.25 Days
Battery life
14 Days

Origin

Country of origin
Taiwan

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Weight
49 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Smartwatches» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 3.Huawei
    1.6 %
  • 3.OnePlus
    1.6 %
  • 6.Garmin
    1.9 %
  • 7.CMF
    2.2 %
  • 8.Beurer
    2.6 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 16.Polar
    3 days
  • 20.Samsung
    4 days
  • 21.Garmin
    6 days
  • 21.Google
    6 days
  • 21.Huawei
    6 days

Return rate

How often is a product of this brand in the «Smartwatches» category returned?

Source: Digitec Galaxus
  • 7.Coros
    4.3 %
  • 8.Polar
    4.5 %
  • 9.Garmin
    5 %
  • 10.Huawei
    5.2 %
  • 11.Denver
    5.3 %
Source: Digitec Galaxus

Translation: machine translated
Overall ratingVery good91/100
Very good80/100
techstage.de Logo
techstage.deSingle testReleaseAugust 2023
  • PositiveVery good workmanship
  • Positivegood battery life
  • PositiveIntegrated music memory (at extra charge)
  • Positivemany training and competition features for triathletes and runners
  • NegativeNo real unique selling propositions
  • NegativeRather unusable for strength athletes

With the Forerunner 255, Garmin actually offers an all-round carefree package for athletes who specialise in endurance training and triathlon: The price is fair compared to the features offered, the battery life is very good, especially compared to the competition, and buyers can enjoy the usual Garmin quality in terms of training and tracking features.

This test report belongs to a different type: Forerunner 255 Music (46 mm)
Very good83/100
Stiftung WarentestSingle testReleaseJune 2023

Many smartwatches and fitness wristbands tested are truly multi-talented: they serve as heart rate monitors and altimeters, count steps, calculate the length of distances covered as well as calorie consumption and analyse sleep patterns. Some can also be used to play music, make phone calls or send and receive messages from messenger services such as Whatsapp...

Very good94/100
CHIP OnlineSingle testReleaseAugust 2022
  • PositiveExcellent battery life
  • PositivePowerful sports functions with multisport
  • PositiveVery good display with always-on function
  • NegativeNo touch screen
  • NegativeNo integrated music player
  • NegativeNo time control for the display illumination