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.
Monitors heart rate at the wrist, because a finger on the pulse is so old school.
chemically strengthened glass
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)|
Small: 32 g
Large: 36 g
|BATTERY LIFE||Smartwatch Mode: Up to 7 days|
GPS mode: Up to 13 hours
|MEMORY/HISTORY||200 hours of activity data|
For concrete proof that you crushed it, GPS tracks pace, distance, intervals and more.
Get yourself on the road to glory with free Garmin Coach adaptive training plans.
Say goodbye to missed texts with smart notifications delivered right to your wrist.
We’ve got your back with built-in incident detection and assistance features .
Log more miles between charges with up to 7 days of battery life.