While at one point Google was indeed planning on releasing its own smartwatch, it seems that those plans for a Pixel Watch were shelved by the Mountain View company way back in 2016.
Pixel smartwatch RSS
Code spotted in the latest Google app SDK hints at a 'Pixel Stand' wireless charging device that doubles up as a dock for the Pixel devices. It may be launched along with the Pixel phones in the fall.
Google is reportedly working on more than one smartwatch if reports are to be believed. The company wants to go head to head with Apple in the wearables space with its own offerings that run Wear OS.