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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.
Note-The 45S is the small size of the 45.
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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 wrist1, because a finger on the pulse is so old school.
For concrete proof that you crushed it, GPS tracks pace, distance, intervals and more.
Say goodbye to missed texts with smart notifications2 delivered right to your wrist.
We’ve got your back with built-in incident detection and assistance features3.
Log more miles between charges with up to 7 days of battery life.
Run far with a smaller-sized lightweight watch that fits comfortably and won’t hold you back.
The sweat-ready silicone band makes chafing a thing of the past.
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