Onga Invigorator spa bath jets originally were white, beige, or chrome. 65mm face Diameter. Only available in Chrome now.
These were common in various spa baths in Australia.
Note: The version now being supplied has the curvy bar through the centre of the eyeball - the 2nd image shows the original design with an open eyeball. The new design is essentially the swirl jet without the spinning centre nozzle.