The steam isn't a problem. But the water pressure of a shower can exceed the limits of its water resistance, and the various chemicals that you use in a shower can degrade the coating on the watch. So, not recommended. Swimming is fine.
The steam isn't a problem. But the water pressure of a shower can exceed the limits of its water resistance, and the various chemicals that you use in a shower can degrade the coating on the watch. So, not recommended. Swimming is fine.