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Garmin

Garmin Forerunner® 255 Music, GPS Running Smartwatch with Music, Advanced Insights, Long-Lasting Battery, White

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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Apr 27
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Color: Whitestone


Size: 46 MM


Style: Music


Pattern Name: Smartwatch


Features

  • Built with a slim design and an always-on, full-color display thats light on the wrist and easy to read even in direct sunlight with available sizes of 46 mm and 41 mm
  • Forerunner 255 Music provides up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode for a full picture of your health from sleep to training
  • Morning report summarizes your sleep, HRV status and daily workout suggestion in one place as soon as you wake up (This device is intended to give an estimate of your activity and metrics)
  • Get ready for your next race with training tips, personalized daily suggested workouts and completion time predictions based on course details, weather and performance
  • View your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery
  • HRV status tracks your heart rate variability while you sleep, giving you greater insight into your overall wellness, recovery and training performance (This device is intended to give an estimate of your activity and metrics)
  • Get free adaptive training plans from Garmin Coach for a 5K, 10K and half-marathon, or create your own custom workouts in the Garmin Connect smartphone app
  • Evaluates your current training status to indicate if youre undertraining or overdoing it; offers additional performance monitoring features, including recovery time after your workouts
  • When using a Running Dynamics Pod or HRM-Pro monitor (sold separately), get a continuous measurement on your wrist of how much power youre applying to the road as you run, so you can manage your effort

Description

Run at a higher level with the Forerunner® 255 smartwatch. These running smartwatches help you train and recover smarter with training status, running power, multi-band GPS and daily suggested workouts that adapt to your performance and goals. Plus, other new features — such as race widget — help you plan your race-day strategy, and morning report with HRV status reveals your overall health alongside the day ahead. And with Garmin Pay™ contactless payments with a supported card, it’s never been easier to buy that post- workout coffee — no matter how you work out — with more than 30 activity profiles, including triathlon, cycling, swimming and more. With Forerunner 255, you can get a continuous picture of your health, from training and recovery to sleep quality and overall wellness — and with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode.

Operating System: GarminOS


Memory Storage Capacity: 4 GB


Special Feature: Daily Suggested Workouts; Garmin Coach; Triathlon and Multisport Profiles; Wrist-Based Running Dynamics; Wrist-Based Running Power, Sweat-Ready Materials; Morning Report; HRV Status; Built-in Sports Apps; Race Adaptive Training Plans See more


Battery Capacity: 223 Milliamp Hours


Connectivity Technology: Bluetooth, USB


Wireless Communication Standard: Bluetooth


Battery Cell Composition: Lithium Ion


GPS: Built-in GPS


Shape: Round


Screen Size: 1.3 Inches


Operating System: GarminOS


Additional Features: Daily Suggested Workouts; Garmin Coach; Triathlon and Multisport Profiles; Wrist-Based Running Dynamics; Wrist-Based Running Power, Sweat-Ready Materials; Morning Report; HRV Status; Built-in Sports Apps; Race Adaptive Training Plans


GPS Geotagging Functionality: Built-in GPS


Band Material Type: Silicone


Case Material Type: Fiber-reinforced polymer


Water Resistance Level: Water Resistant


Sport Type: Exercise & Fitness, Outdoor Lifestyle, Running, Track & Field, Training


Closure Type: Buckle


Human Interface Input: Buttons


Clasp Type: Deployant Clasp


Supported Application: GPS


Water Resistance Depth: 50 Meters


Supported Satellite Navigation System: GLONASS, GPS, Galileo


Metrics Measured: Calories Burned, Heart Rate, Hydration, Sleep Coach, Stress


Shape: Round


Style Name: Music


Color: Whitestone


Band Color: white


Connectivity Technology: Bluetooth, USB


Wireless Compability: Bluetooth


Wireless Provider: du


Communication Feature: Notification


Compatible Devices: Smartphone


Compatible Phone Models: Android Devices, iOS Devices


Memory Storage Capacity: 4 GB


Warranty Type: Limited


Waterproof Rating: IPX4


Brand: Garmin


Model Name: Forerunner 255


Target Audience: Unisex


Age Range Description: Adult


Model Number: 010-02641-21


Built-In Media: Forerunner 255/255s; Charging/data Cable; documentation


Wearable Computer Type: Smart Watch


UPC: 753759279929


Global Trade Identification Number: 29


Manufacturer: Garmin


Item Type Name: Running Smartwatch


Warranty Description: 1 year limited warranty


Battery Capacity: 223 Milliamp Hours


Battery Cell Type: Lithium Ion


Battery Average Life: 14 days


Screen Size: 1.3 Inches


Display Type: Sunlight-Visible, Transflective Memory-in-Pixel (MIP)


Resolution: 240 x 240


Band Width: 22 Millimeters


Item Weight: 1.7 Ounces


Item Dimensions: 1.8 x 1.8 x 0.5 inches


Band Length: 167 Millimeters


Item Dimensions D x W x H: 1.79"D x 1.79"W x 0.51"H


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Apr 27

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great watch!
Color: Black Size: 46 MM Style: Music Pattern Name: Smartwatch
This is a great watch. I've had it for over two years now and just getting around to writing a review because I wanted to see if it stood the test of time. It does. Pros: it's not too big, all the features work flawlessly (music, gps, etc), and most importantly the battery life is spectacular and has not degraded in the years I have owned it. I wear this watch every day and I only charge it maybe once a month. The GPS is accurate, but I did not use it as much as I thought I might (I am a geology student and have to take coordinates regularly, real coordinates, not something on a navigation app). The thing is my iPhone is just as accurate (using specialized geology apps) and much easier to use. I don't use any of my real GSP units either. Guess that is the state of the art of GPS. Cons: I think the rubber band they ship it with leave much to be desired. I bought an aftermarket band with a velcro closure and problem is solved. And, It really does take a while to figure out how to use everything. It is not exactly intuitive and I still get lost in the menus. I'd buy it again. ... show more
Reviewed in the United States on November 14, 2025 by Brent Jones
    • Well Worth the Money
Color: Black Size: 46 MM Style: Music Pattern Name: Smartwatch
I LOVE this watch. I've been debating buying a running watch for so many years now and finally decided to do it. I have been doing marathon training and this watch has aided me plentifully. It has cool features when you record runs where it'll tell you every time you finish a "lap" which you can set the distance for - so during a long 10 mile run I have it set to tell me every time I finish 1 mile and what pace I finished it at. It also has cool badges you unlock when you run certain distances, and it will notify you every time you recorded a new personal best mile, 5k, 10k, half marathon, etc. during any long run. It displays a very accurate heartrate as well which I've tested multiple times and it's always within 5 of what I measure manually. You have to download Garmin Connect and Garmin Connect IQ on your phone which can then be used to download your favorite music app right to your watch (I use Spotify). From there, you can download your music/playlists/podcasts/audiobooks right to your watch. You can leave your phone at home then for long runs and just have your watch and your headphones with you; which is a lifesaver personally lol. The second you get back home from a run, it'll connect back to your phone and send the data over immediately. On your phone you can then see all your runs, as well as the pace, average heartrate, calories burned, and a few other cool measures. It can also record your sleep and give feedback on the quality of it, length, etc. but I have yet to use this feature. I sleep like a rock and can easily tell how well I slept when I wake up haha. I highly recommend this product. If you are on the fence as I was for so long, GET IT ... show more
Reviewed in the United States on July 31, 2025 by Trace
    • Awesome Tool
Color: Tidal Blue Size: 46 MM Style: Non-Music Pattern Name: Smartwatch
Review Image by scott
This watch is amazing at helping you set and keep pace let’s say you want a 8 minute mile you can set a fast timer and slow timer that will vibrate and let you know if you’re to fast or to slow and it gives you your vo2 max along with so much more 100% worth every penny. It also tells you your resting heart rate and your fitness age along with average heart rate during an activity. It can also help you on your cadence with cadence beeps to get your stride where you should be to be efficient as possible. Then throw on a bumper and a screen cover and it’s basically everything proof 👍🏻👍🏻 ... show more
Reviewed in the United States on February 18, 2026 by scott
    • Absolutely love this watch as an activity and wellness tool
Review Image by Kelly MTD
I am not a runner but I have been considering a Garmin watch for a long time because I am usually an active hiker. I haven't been as active for a while and I feel like the wellness tracking this device offers is helping me back on track. This has been one of those purchases that I wish I had pulled the trigger on sooner now that I have it. Combined with the web app I really love the amount of detail that I can get and the variety of things I can easily track. I've found the GPS tracking on my longer walks to be very accurate so far. I also enjoy the variety of customization options both native to the watch and through Connect IQ score. I know that the sleep, stress, body battery, etc, are not the most accurate, but they are still a great tool for getting a rough idea of where I can improve. For me, being called out by something as neutral as data is very helpful and I appreciate being able to see trends and make note of things that I could change for the better. I do have to take some of the body measurements with a grain of salt because of medications that I take, like the HRV-based stress readings (always high for me), so you should take that into consideration if you are prescribed any kind of medication that either stimulates or sedates. I am so glad I went with the smaller model, I am a petite person and it feels like the perfect size for my wrist. I don't find it to be obtrusive at all. I don't love the silicone band and went with an alternative that looks better at the office and doesn't bother my skin as much. ... show more
Reviewed in the United States on September 4, 2023 by Kelly MTD
    • Excellent Upgrade from the Forerunner 745
Color: Slate Gray Size: 46 MM Style: Non-Music Pattern Name: Smartwatch
I’ve been a Garmin user for over 10 years, and I upgraded from the Forerunner 745 to the Forerunner 255. This is an excellent upgrade and immediately feels like a more refined and capable watch. The 255 is lighter and more comfortable to wear all day, and the battery life is noticeably better than the 745. I’m also seeing improved GPS accuracy and more consistent tracking overall. The updated metrics, including HRV status and the newer training insights, provide more useful data to support training and recovery. Performance is smooth, reliable, and exactly what I expect from Garmin. It keeps everything I liked about the 745 while improving the areas that matter most, especially battery life, comfort, and tracking accuracy. If you’re coming from the 745, the Forerunner 255 is absolutely a worthwhile upgrade. Highly recommended. ... show more
Reviewed in the United States on February 16, 2026 by Cesar Rengifo

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