Apple Watch Series (Circular Mode): Apple's iconic smartwatch with a circular face option; advanced health tracking, apps, and seamless iPhone integration.

Samsung Galaxy Watch 4: Circular design, Wear OS, fitness tracking, ECG, and SpO2 monitoring; a versatile Android-compatible smartwatch.

Fossil Gen 5 Carlyle: Stylish circular smartwatch on Wear OS with heart rate monitoring, GPS, and customizable watch faces.

Garmin Forerunner 945: Circular GPS smartwatch for athletes; advanced training features, maps, and long battery life.

Mobvoi TicWatch Pro 3: Dual-layer circular display, Wear OS, heart rate, sleep tracking, and NFC for payments; extended battery life.