Louis Moinet’s Derrick Tourbillon, a limited edition of 12 watches ($280,000), seems expressly designed for a specific customer who owes his fortune to the blessings of petroleum. The automaton on the dial, a moving oil derrick, is driven by a simple tie rod and wheel attached to the movement. The straightforward mechanical nature of the derrick, however—which pumps four times in a minute—might easily find appreciation beyond the petrodollars set. Louis Moinet has anchored the frame of the derrick to the barre…