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watchOS 5.1.2 for Apple Watch now available with ECG app, new Infograph complications, more - 9to5Mac
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Apple Watch Series 3 revisited: $199 in 2019 puts you into the Apple Watch ecosystem | CNN Underscored
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ECG is now available on the Apple Watch in SG and here's what you need to know - HardwareZone.com.sg
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ECG app and irregular rhythm notification on Apple Watch available today across Europe and Hong Kong - Apple
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Amazon.com: Apple Watch Series 7 [GPS 45mm] Smart Watch w/Blue Aluminum Case with Abyss Blue Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant : Electronics
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