Forerunner 45S is the smaller-sized GPS running watch with all the running-related features you need in a sleek, lightweight smartwatch you’ll want to wear all day and night. Connect Iq™ Store: Download Custom Watch Faces, Add Data Fields, And Get Apps And Widgets From The Connect Iq Store Music Controls: Easily Control The Music Playing On Your Phone, So You Can Skip Songs Without Missing A Beat Syncs With Garmin Connect™: Upload Your Activities To The Garmin Connect App To Interact With A Thriving Online Community Where People On The Go Can Connect And Compete — And Even Share Their Triumphs Via Social Media Color Display: Memory/History: 200 Hours Of Activity Data In The Box:- Forerunner 45S, Charging cable, Documentation


  • Garmin Coach: These Adaptive Training Plans Feature Guidance From Expert Coaches And Free Training Plans That Adapt To You And Your Goals Workouts Sync Right To Your Watch
  • Built-in Sports Apps: Switch Up Your Workout Routine With Activity Profiles For Cycling, Treadmill Running, Indoor Track, Elliptical, Cardio, Yoga And More
  • Wrist-based Heart Rate: Get Heart Rate Data1 Along With Alerts If Your Heart Rate Stays High While You’re At Rest Even Gauge How Hard Your Heart Is Working During Activities
  • Built-in Gps: Track Where You Run, And Get Accurate Stats, Including Distance, Pace And Intervals
  • Battery Life: Run To Your Heart’s Content With Up To 7 Days Of Battery Life In Smartwatch Mode And Up To 13 Hours In GPS Mode
  • Stress Tracking: Find Out If You’re Having A Calm, Balanced Or Stressful Day Relax Reminders Will Even Prompt You To Do A Short Breathing Activity
  • Body Battery™ Energy Monitor: Track Your Body’s Energy Levels So You Can Find The Best Times For Activity And Rest
  • Fitness Tracking: While You’re Out And About, Forerunner 45s Tracks Steps, Floors Climbed, Intensity Minutes And More
  • Smart Notifications: Receive Emails, Texts And Alerts Right On Your Watch When Paired With A Compatible Smartphone
  • Safety And Tracking Features: If You Feel Unsafe Or If Your Watch Senses That An Incident Occurred, Assistance And Incident Detection Features3 Send Your Location To Emergency Contacts


  • Lens Material: Chemically Strengthened Glass
  • Strap Material: Silicone
  • Physical Size: 39.5 X 39.5 X 11.4 Mm, Fits Wrists With A Circumference Of 124-185 Mm
  • Display Size: 1.04" (26.3 Mm) Diameter
  • Display Resolution: 208 X 208 Pixels
  • Display Type: Sunlight-visible, Transflective Memory-in-pixel (Mip)
  • Weight: Small: 32 G, Large: 36 G
  • Battery Life: Smartwatch Mode: Up To 7 Days
  • Gps Mode: Up To 13 Hours
  • Water Rating: 5 Atm