GarminForerunner® 255 Smartwatch

About

The Garmin Forerunner 255 is an advanced GPS running smartwatch built for training, racing, and recovery. It provides a full suite of personalized training metrics and recovery insights, making it an essential tool for runners, triathletes, and active users looking to push their limits and achieve their goals. The watch is lightweight (49g) and designed to be worn 24/7, providing continuous health and wellness monitoring.

Product Features

• Training & Performance Morning Report: Provides an overview of your sleep, recovery, and training outlook upon waking, alongside HRV status and weather.
• Race Widget: Offers training tips, daily suggested workouts, and completion time predictions based on the course, weather, and performance.
• Training Status: Uses heart rate variability (HRV) and other metrics to indicate if you are training productively, peaking, or overreaching.
• Built-in Sports Apps: Includes over 30 built-in activities, including a dedicated Triathlon profile, Running, Cycling, Open Water Swimming, and more.
• Multi-Band GNSS with SATIQ™: Provides superior positioning accuracy with GPS, GLONASS, Galileo, and multi-frequency support while optimizing the watch's battery life.
• Health & Wellness Body Battery™ Energy Monitoring: Tracks your energy levels to help you find the best times for activity and rest.
• Sleep Score & Advanced Sleep Monitoring: Gives you a score for your sleep quality and tracks different sleep stages, heart rate, stress, and Pulse Ox.
• Wrist-based Heart Rate: Constantly samples your heart rate and alerts you if it stays too high or too low while you’re at rest.
• Pulse Ox Sensor: Monitors blood oxygen saturation levels for sleep and altitude acclimation support.
• Connectivity & Safety Garmin Pay™: Allows you to make contactless payments through participating providers.
• Smart Notifications: Receive emails, texts, and alerts right on your watch when paired with your Apple® or Android™ smartphone.
• Safety and Tracking: Features like Incident Detection (during select activities) and Assistance can send your real-time location to emergency contacts.

Product Specifications

• Model: 010-02641-10
• Physical Size: 45.6 x 45.6 x 12.9 mm
• Weight: 49 g
• Lens Material: Corning® Gorilla® Glass 3
• Bezel Material Fiber-reinforced polymer
• Display Type: Sunlight-visible, transflective memory-in-pixel (MIP)
• Display Size: 1.3" (33 mm) diameter
• Display Resolution: 260 x 260 pixels
• Water Rating: 5 ATM (suitable for swimming, showering, and water activities)
• Battery Life Smartwatch Mode: Up to 14 days GPS-Only Mode: Up to 30 hours All-Systems GNSS Mode: Up to 25 hours All-Systems GNSS Mode + Multi-Band: Up to 16 hours
• Memory/History 4 GB
• Connectivity: Bluetooth®, ANT+®
• Strap: Silicone (22 mm Quick Release, Industry standard)

What's in the box?

• 1x Forerunner® 255 GPS Running Smartwatch (Slate Gray)
• 1x Charging/data cable
• Documentation