Garmin Forerunner® 255 Smartwatch Slate Grey 46mm

Support your health journey with a watch that's with you for the long run. The Garmin Forerunner 255 provides all of the training and recovery insights you'll need to achieve your PB and beyond, with an uninterrupted picture of your daily health and nightly sleep with up to 14 days of battery life in smartwatch mode and up to 30 hours in GPS mode. The Forerunner 255 is built tough, with a sweat-proof silicone band and Corning Gorilla Glass 3 face to tackle your roughest workouts while weighing in at just 49g. Along with additional features like Garmin Pay contactless payments, a race widget, a race triathlon feature, and daily suggested workouts, the Forerunner 255 is the best tool to support a healthy lifestyle.

Features

• MORNING REPORT: Receive an overview of your sleep, recovery, and training outlook as soon as you wake up — alongside HRV status and weather. You can even customise your report to show you what you want to see.
• HRV STATUS: Gain a deeper understanding of your overall health, recovery, and training performance through heart rate variability while you sleep, based on technology developed by Garmon's Firstbeat Analytics™ team.
• BUILT-IN SPORTS APPS: Tap into 30+ built-in activities, including the triathlon and open-water swimming profiles — new to the Forerunner 255 running watch series. For races and brick workouts, transition to the next activity with a single button press.
• RACE ADAPTIVE TRAINING PLANS: Get ready for your next race, including marathons, with training tips, personalised daily suggested workouts, and completion time predictions. Just enter your race and we’ll build a plan that’ll help you meet your goals.
• DAILY SUGGESTED WORKOUTS: View your entire week of daily suggested workouts, which adapt after every run to match your performance and recovery as well as the races coming up in your Garmin Connect™ smartphone app calendar.
• GARMIN COACH: Free adaptive training plans include 5K, 10K, and half-marathon programmes, featuring guidance from expert coaches that adapt to you and your goals.
• TRIATHLON AND MULTISPORT PROFILES: Switch between sports with one press by using built-in profiles for triathlons, duathlons, brick workouts, and swimruns. Or, create your own custom multisport profiles.
• WRIST-BASED RUNNING DYNAMICS: This smartwatch measures crucial running metrics such as cadence, stride length, ground contact time, and more.
• WRIST-BASED RUNNING POWER: See how much power you’re applying to the trail or the road so you can manage your effort and fine-tune your training. No accessory required.
• RECOVERY TIME: Know how long to recover before your next high-effort workout based on your latest training as well as overall stress, sleep and daily activities outside of workouts.
• PACEPRO™ FEATURE: To help you plan your race day strategy, this feature offers GPS-based pace guidance for a selected course or distance, so you can tailor your efforts to what's ahead.
• GRADE-ADJUSTED PACE: Don’t run out of steam before the activity is over. After configuring your data fields in the running activity, understand how to adjust your pace over varying terrain to perform according to your plan.

Specifications

• LENS MATERIAL Corning® Gorilla® Glass 3
• BEZEL MATERIAL Fiber-reinforced polymer
• QUICK RELEASE BANDS yes (22 mm, Industry standard)
• STRAP MATERIAL Silicone
• PHYSICAL SIZE 45.6 x 45.6 x 12.9 (mm)
• Fits wrists with a circumference of 130-205 mm
• WEIGHT 49 g
• DISPLAY SIZE 1.3" (33 mm) diameter
• DISPLAY RESOLUTION 260 x 260 pixels
• COLOR DISPLAY
• LARGE FONT OPTION
• BATTERY LIFE Smartwatch mode: up to 14 days
• GPS-Only GNSS mode: Up to 30 hours
• All-Systems GNSS mode: Up to 25 hours
• All-Systems GNSS mode plus Multi-Band: Up to 16 hours
• See Details
• CHARGING METHOD Garmin proprietary plug charger
• MEMORY/HISTORY 4 GB