The Apple Watch Series 2 is exactly that. It's what Apple had resisted calling its wearable for the past year and a half, even declining to categorize it as such when citing industry rankings, opting for the "smartwatch" category instead. It is, definitely, still a smartwatch.
Built-in GPS; Water resistant up to 50m; Faster performance; Bigger battery
Limited to iPhone users; Display not visible in direct sunlight; Still has some software glitches