You still need a iphone for setup. It’s a hard requirement. But they did semi-recently create a flow where one phone could setup a watch for someone else like y

You still need a iphone for setup. It’s a hard requirement. But they did semi-recently create a flow where one phone could setup a watch for someone else like you're in a "Family Sharing" group with: https://support.apple.com/en-us/HT211768 https://support.apple.com/en-us/HT211768