Very nice watch indeed, but I rather would go for the cleaner version. The chrono is designed by a employee of Junghans and also a bit thick.
Even cheaper:
Junghans Max Bill 14 by Bidle, on Flickr
Also nice to change the strap, but I do prefer the black strap:
Junghans Max Bill 02 by Bidle, on Flickr
Junghans Max Bill 06 by Bidle, on Flickr
Junghans Max Bill 12 by Bidle, on Flickr
ps. And if you really like Max Bill, you can also consider:
Omega Max Bill 01 by Bidle, on Flickr
Omega Max Bill 03 by Bidle, on Flickr
Or the Movado:
Movado Max Bill 27 Bill Time by Bidle, on Flickr