Operating System

Any OS Wear OS watchOS Tizen Custom OS

Display Size

Any size Small (< 1.3") Standard (1.3" – 1.5") Large (> 1.5")

Display Type

Any type AMOLED LCD E-Ink Transflective

Battery Life

Any duration Less than 1 day 1 – 2 days 2 – 7 days 7+ days

Processor Type

Any processor Snapdragon Wear Apple S-series Exynos W Proprietary

Water Resistance

Not specified 3 ATM (splash resistant) 5 ATM (swim proof) 10 ATM (dive proof)

Health Features

Heart Rate Monitor SpO2 (Blood Oxygen) ECG Stress Tracking Sleep Tracking

GPS

Any GPS GPS Included No GPS