Well at least they've made it very clear! This will play a big role in metal bumper and case designs for the 5...
Here's the link to the drawing:
https://devimages.apple.com.edgekey.net/resources/cases/dimensions/iPhone-5-dimensions.pdf
Here's the link to the drawing:
https://devimages.apple.com.edgekey.net/resources/cases/dimensions/iPhone-5-dimensions.pdf