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Smartwatches under $400

All smartwatches

4 smartwatches under $400 from Garmin, Samsung, Apple and more. Prices run $329 to $399.

All filtersFilters (1)×
Platform: watchOS  ×Clear all
BrandApple4
PlatformGarmin14Wear OS9Other6watchOS4
ConnectivityGPS3Cellular1
Case sizeSmall case (42 mm or less)3Mid case (43 to 46 mm)1
Built-in GPSBuilt-in GPS4
Heart rate monitorHeart rate monitor2
Sleep trackingSleep tracking2
Clear allShow 4 smartwatches
Platform: watchOS  ×4 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
Apple

watchOS, GPS, Small case (42 mm or less)

+Built-in GPS for tracking outdoor workouts
+Heart rate monitoring included
+Sleep tracking included
−Small case may feel small on larger wrists
$389.99
as of 11/04/2026 11:42 PST - Details
Apple

watchOS, GPS, Small case (42 mm or less)

+Built-in GPS for tracking outdoor workouts
+Sleep tracking included
+Runs on watchOS for iPhone users
−Small case may feel small on larger wrists
$349.00-13%List: $399.00
as of 11/04/2026 11:42 PST - Details
Apple

watchOS, Cellular, Mid case (43 to 46 mm)

+Cellular: only 10 of 33 here have one
$329.00
as of 11/04/2026 11:42 PST - Details

Compare specs

smartwatchPlatformConnectivityCase sizeSpec scorePrice
watchOSGPSSmall case (42 mm or less)n/a$389.99
as of 11/04/2026 11:42 PST - Details
watchOSGPSSmall case (42 mm or less)n/a$349.00
as of 11/04/2026 11:42 PST - Details
watchOSCellularMid case (43 to 46 mm)n/a$329.00
as of 11/04/2026 11:42 PST - Details
watchOSGPSSmall case (42 mm or less)n/a$399.00
as of 11/04/2026 11:41 PST - Details

Before you buy

Other price ranges

Fitness Trackers297Wearable Wristbands93Smart Glasses77Fitness Clip Accessories53Binoculars228Network Cables1,382Cameras2,556PC Cases264Chromebooks196CPU Coolers393Processors247Desktops1,531

Popular filters

Smartwatches under $100585Smartwatches with Heart Rate Monitor523Smartwatches under $75522Smartwatches with Sleep Tracking480Smartwatches under $50422Smartwatches with Bluetooth Calling417Smartwatches with Built-in GPS384Smartwatches with a 1.8-Inch or Larger Screen317

Smartwatches by use

Kids Smartwatches with Calling60Rugged GPS Smartwatches86Small Women's Smartwatches51Men's Smartwatches with a Large Screen82Wear OS Smartwatches with LTE21Apple Watches with Cellular18Rugged Garmin Smartwatches29

Related product types

Smartwatches under $100585Smartwatches under $75522Smartwatches under $50422Smartwatches under $150215Smartwatches under $25179Smartwatches under $20084Smartwatches under $25072Smartwatches under $30059Smartwatches under $50026Smartwatches under $1,20024

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.