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Smartwatches with a 42 mm or Smaller Case

All smartwatches

1 smartwatches with a 42 mm or smaller case from Garmin, Apple, Samsung and more. Price: $59.99.

All filtersFilters (2)×
Case size: Small case (42 mm or less)  ×Water rating: 3ATM  ×Clear all
BrandGydom1
PlatformOther1
ConnectivityBluetooth calling1
Case sizeSmall case (42 mm or less)1
Bluetooth callingBluetooth calling1
Heart rate monitorHeart rate monitor1
Sleep trackingSleep tracking1
AMOLED displayAMOLED display1
Water ratingIP6873ATM1
PriceUnder $751Under $1001Under $1501
Clear allShow 1 smartwatch
Case size: Small case (42 mm or less)  ×Water rating: 3ATM  ×1 resultSort byRecommendedSpec scorePrice: low to highPrice: high to low
Gydom

Other, Bluetooth calling, Small case (42 mm or less), 3ATM

+Compact 40 mm case for smaller wrists
+Bluetooth calling lets you answer calls from the watch
+Heart rate monitoring built in
$59.99-14%List: $69.99
as of 11/03/2026 23:18 PST - Details

Compare specs

smartwatchPlatformConnectivityCase sizeSpec scorePrice
OtherBluetooth callingSmall case (42 mm or less)n/a$59.99
as of 11/03/2026 23:18 PST - Details

Before you buy

Other Case size options

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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

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Related product types

Smartwatches with a 47 mm or Larger Case117Smartwatches with a 43 to 46 mm Case83

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