. . . the tungsten-clad Seamasters of the late '60s. Those models, commonly referred to as the Anakin Skywalker and Darth Vader, were produced in small quantities. I've seen AS types in the metal, and would acquire a DV under the right circumstances.

[photo and watch credits: Elveez, WPS 2009]
The DV is the scarcer of the two. I've handled AS versions in the past, but they felt too prominent on my slender wrist. I don't recall seeing a DV in the metal; if I have, it was a very long time ago.
Art