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When you head out for a run, be sure you have the right tool for the job. The compact Garmin Forerunner 45S has all the features you need in a sleek GPS watch you'll want to wear all day and night.

  • Features

    • Assistance (built-in tracking/safety feature) lets you send your real-time location to emergency contacts through a paired compatible smartphone
    • Incident Detection alerts your emergency contacts automatically in the event of certain incidents (e.g., bike crash, collapse during a run); paired smartphone required
    • Get free adaptive training plans from Garmin Coach, or create your own custom workouts on the Garmin Connect™ online fitness community
    • Health-monitoring tools include wrist-based heart rate, all-day stress tracking, Body Battery™ energy monitor, sleep analysis and more
    • Connected features: smart notifications for calls and texts, automatic uploads to Garmin Connect™, LiveTrack, and the ability to control and play music on your phone
    • Preloaded sports apps like running, cycling, indoor track, treadmill, elliptical, yoga and more
    • Essential GPS data accurately tracks distance, pace, intervals and more
    • Full color display; customize with free watch faces from the Garmin Connect IQ™ store
    • Battery life: up to 7 days in smartwatch mode; 14 hrs. in GPS mode
    • With its compact 40mm diameter face, Garmin Forerunner 45S is a version of Forerunner 45 designed for small-sized wrists

    Imported.

    View all Garmin GPS Sports Watches
  • Technical Specs

    Best Use

    Running

    Average Battery Life

    Smartwatch mode: 7 days; GPS mode: 13 hrs.

    Battery Type

    Lithium Ion

    Display Size

    1.04 inches

    Illumination

    Backlight

    Altimeter

    No

    GPS/Satellite Detectable

    Yes

    HRM Included/Integrated

    Yes

    Heart Rate Sensor Type

    Wrist-based

    Average Heart Rate

    Yes

    Heart Rate Target Zone(s)

    Yes

    VO2 Max Estimate

    Yes

    Tracks Steps

    Yes

    Pedometer Type

    Digital 3-axis Accelerometer

    Pace Alert

    Yes

    Interval Training

    Yes

    Tracks Calories Burned

    Yes

    Water-Resistant Depth

    50 meters

    Sleep Tracking

    Yes

    Alarm

    Yes

    Time Display

    Yes

    Stopwatch

    Yes

    Programmable Routes

    Yes

    Customization

    Watch Faces

    Smart Device Notifications

    Yes

    Data Exchange

    ANT+

    Bluetooth

    Compatible Fitness Accessories

    Heart Rate Monitor

    Cadence Sensor

    Gender

    Unisex

    Sustainability

    Contains recycled materials

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