Garmin Forerunner Series 945, 245, 45
  Forerunner® 235   Forerunner® 45 Forerunner® 45S  Forerunner® 245 Forerunner® 245 Music  Forerunner® 645 Forerunner® 645 Music  Forerunner® 735XT Forerunner® 935  Forerunner® 945
  GPS running watch with color display and wrist-based heart rate GPS running watch with Garmin Coach training plan support Smaller-sized GPS running watch with Garmin Coach training plan support GPS running smartwatch with advanced training features GPS running smartwatch with advanced training features and music GPS running watch with contactless payments and wrist- based heart rate GPS running watch with music and contactless payments Advanced GPS running watch with multisport features and wrist-based heart rate Premium GPS running/triathlon watch with wrist-based heart rate Premium GPS running/triathlon smartwatch with music
MRP $249.99 $199.99 $199.99 $299.99 $349.99 $399.99 $449.99 $289.99-$499.99 $499.99-$649.99 $599.99-$749.99
Color Display ● ● ● ● ● ● ● ● ● ●
Touchscreen                    
Auto Pause® ● ● ● ● ● ● ● ● ● ●
Auto Lap® ● ● ● ● ● ● ● ● ● ●
Personal Records ● ● ● ● ● ● ● ● ● ●
Virtual Partner™       ● ● ● ● ● ● ●
Heart Rate-based Calorie Computation ● ● ● ● ● ● ● ● ● ●
Calculates Calories Burned ● ● ● ● ● ● ● ● ● ●
Customizable Screen(s) ● ● ● ● ● ● ● ● ● ●
Advanced Workouts ● ● ● ● ● ● ● ● ● ●
VO2 Max Estimate ● ● ● ● ● ● ● ● ● ●
Recovery Time ●     ● ● ● ● ● ● ●
GPS-enabled ● ● ● ● ● ● ● ● ● ●
GLONASS ● ● ● ● ● ● ● ● ● ●
Race Predictor ●     ● ● ● ● ● ● ●
Connect Features ● ● ● ● ● ● ● ● ● ●
Step Counter ● ● ● ● ● ● ● ● ● ●
Personalized Daily Step Goal ● ● ● ● ● ● ● ● ● ●
Sleep Monitoring ● ● ● ● ● ● ● ● ● ●
Pace Alert ● ● ● ● ● ● ● ● ● ●
Wrist-based Heart Rate1 ● ● ● ● ● ● ● ● ● ●
Connect IQ ●     ● ● ● ● ● ● ●
Advanced Running Dynamics2       ● ● ● ● ● ● ●
HRV Stress Test3           ● ● ● ● ●
Strava Live Segments           ● ● ● ● ●
Lactate Threshold3           ● ● ● ● ●
Performance Condition       ● ● ● ● ● ● ●
Anaerobic Training Effect       ● ● ● ●   ● ●
Aerobic Training Effect ●     ● ● ● ● ● ● ●
Training Load       ● ● ● ●   ● ●
Training Load Focus                   ●
Vertical Oscillation and Ratio2       ● ● ● ● ● ● ●
Pulse Ox4       ● ●         ●
Ground Contact Time and Balance2       ● ● ● ● ● ● ●
Stride Length2   ● ● ● ● ● ● ● ● ●
Pre-loaded Maps                   ●
Round trip run and ride                   ●
At a Glance Guidance                   ●
Around Me POI's                   ●
Training Status       ● ● ● ●   ● ●
Incident Detection   ● ● ● ●         ●
Plays and controls watch music         ●   ●     ●
Music storage         Up to 500 songs   Up to 500 songs     Up to 1,000 songs
Garmin Pay™           ● ●     ●
Accessory Bands ● ● ● 20 mm Quick Release 20 mm Quick Release 20 mm Quick Release 20 mm Quick Release ● 22 mm QuickFit 22 mm QuickFit
Battery Life Smartwatch mode: Up to 9 days; GPS mode: Up to 11 hours Smartwatch mode: Up to 7 days; GPS mode: Up to 13 hours Smartwatch mode: Up to 7 days; GPS mode: Up to 13 hours Smartwatch mode: Up to 7 days; GPS mode: Up to 24 hours Smartwatch mode: Up to 7 days
GPS mode with music: Up to 6 hours GPS mode without music:  Up to 24
hours		 Smartwatch mode: Up to 7 days; GPS mode: Up to 16 hours Smartwatch mode: Up to 7 days; GPS mode with music: Up to 5 hours Smartwatch mode: Up to 11 days
GPS mode: Up to 14 hours; UltraTrac™ mode: Up to 24 hours without wrist heart
rate		 Smartwatch mode: Up to 2 weeks; GPS mode with WHR: Up to 24 hrs; Ultratrac:  Up to 60 hrs without wrist heart rate Smartwatch mode: Up to 2 weeks; GPS mode with music: Up to 10 hr; GPS/HR mode without music: Up to 36 hrs

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