The Samsung Galaxy Watch series is a line of smartwatches designed and produced by Samsung Electronics. The line features various health, fitness, and fashion related features, and is integrated with Samsung's other products under the Samsung Galaxy brand. The series is also the successor to the previous Samsung Gear watches. The first smartwatch under this series, the Samsung Galaxy Watch, was released in August 2018. Specifications Software The Galaxy Watch uses Tizen as its operating system. Since the Galaxy Watch 4 and Galaxy Watch 4 Classic, Galaxy Watch started using WearOS. Models Samsung Galaxy Watch Samsung Galaxy Watch Samsung Galaxy Watch 3 Samsung Galaxy Watch 4 Samsung Galaxy Watch 4 Classic Samsung Galaxy Watch 5 Samsung Galaxy Watch 5 Pro Samsung Galaxy Watch Active Samsung Galaxy Watch Active Samsung Galaxy Watch Active 2 Model comparison Samsung Galaxy Watch Samsung Galaxy Watch Active References Consumer electronics brands Smartwatches Samsung wearable devices Wearable devices