The company announced a new Fitbit Versa 4 flagship smartwatch, an upgraded Sense 2 health watch, and an overhauled version of its Inspire 3 fitness tracker.

The slim, attractive updates to the Inspire, Versa, and Sense trackers do not run Google’s latest wearable operating system. Honestly, that’s fine.

Google announced three updated health and fitness-tracking Fitbit wearables Wednesday, including options with new exercise modes and additional sensors for stress monitoring. The Inspire 3, which will ...