I sold off most of my collection to buy my 911, but here is one that had a cool automotive connection:

This is Gerard Perregaux F1 047. The case is aluminum and the dial carbon fiber. The watch commemorates a Ferrari F1 car of the same name.
Also, I owned at one time this version of the Mille Miglia with the harder to find titanium bracelet, I am not a fan of the Dunlop strap myself.
Or how about a carbon dialed split seconds Omega Speedmaster Chronograph.
But for the ultimate "car" watch, you have to consider Richard Mille. Massa wears one while driving. I never owned one of these