Best Smartwatch Without Smartphone

KardiaMobile 6-Lead Personal ECG Heart Rate Monitor - Six Views of The Heart, Detects Atrial Fibrillation, Trusted by the NHS, Results in 30 Seconds, Works with Most Smartphones

RUIMEN Smart Watch Answer Dial Call,Smart Watches for Women Men HD Touch Screen Fitness watch with SpO2-Monitor Heart Rate Sleep Monitor Pedometer Watch Multi Sports Mode for Android iOS

Smart Watch for Men Women Answer/Make Calls, 1.96" Fitness Watch with Step Counter Heart Rate Sleep Monitor, Fitness Tracker 113+ Sports Activity Trackers IP68 Waterproof, Smartwatches for Android IOS

Smart Watch for Men Women Answer/Make Calls, 1.96" HD Fitness Watch with Heart Rate Monitor Sleep Monitor, 113+ Sports Activity Trackers with Step Counter, IP68 Waterproof, Smartwatch for Android/iOS

Smart Watch for Women Men Answer/Make Call,1.85"HD Screen Fitness tracker with Step Counter,140+ Sport Modes Smartwatch with Heart Rate Sleep Monitor,IP68 Waterproof Activity Tracker for Android iOS

Smart Watch for Men Women, 1.96" HD Smart Watches Answer/Make Calls, Fitness Watch with Heart Rate Sleep Monitor, 113+Sports, Step Counter Activity Trackers, IP68 Waterproof Smartwatch for IOS Android

imoo Watch Phone Z1 Kids Smart Watch, 4G Kids Smartwatch Phone with Video and Phone Call Durable, GPS Watch with Real Time Location and IPX8 Water Resistance (Green)

Csasan Smart Watch for Men Women Answer/Make Calls, 1.91" Touch smartwatch for men, 110+ Sports Modes with Heart Rate Sleep Monitor Step Counter, IP68 Waterproof Fitness Watch for Android IOS, Black

Popglory Smart Watch for Women Men Answer/Make Calls, 1.85" Smartwatch 2 Straps & Split Screen, 100+ Sports Fitness Watch with Blood Pressure/Oxygen/Heart Rate Monitor for iOS and Android

IFMDA Smart-Watch-for-Men-Answer/Make Calls - 1.45“ Fitness Watch with Heart Rate/Sleep/SpO2 Monitor, 110+ Sports, Step Counter, Notification, IP68 Waterproof Mens Round Smartwatch for IOS Android