I wonder if the restriction only regards Earth time. People have made watches that kept Mars time - http://mars.nasa.gov/mer/spotlight/spirit/a3_20040108.html h

I wonder if the restriction only regards Earth time. People have made watches that kept Mars time - http://mars.nasa.gov/mer/spotlight/spirit/a3_20040108.html http://mars.nasa.gov/mer/spotlight/spirit/a3_20040108.html . I'm sure some JPL people and other Mars fans would want their Apple watch to be the same.