The first thing you'll have to decide, If you're interested in the Samsung Galaxy Watch, is what size to get.
The Samsung Galaxy Watch is a great looking smartwatch that beats the Apple Watch on battery life and its wide variety of custom watch faces.
Samsung's Galaxy Watch has an arguably superior design to Apple's Watch Series 4; Battery life is good, it's fully waterproof and you can get hundreds of watch faces for it; Samsung has improved its software and enhanced its fitness tracking; Spotify premium users can load Spotify playlists on the watch; And it works with iPhones and Android phones.
The Bixby voice-assistant could be better; Samsung has quashed some bugs but not all; To achieve Samsung's battery life numbers, you have to institute battery-saving measures.