Despite the suffocating amount of information, it's still very balanced and well-designed. If it weren't for the excessive detail in the star map I'd almost call it minimalist in comparison to what it shows. It's horology, from the Greek horo meaning time (hour has the same root) and logos meaning subject matter. Could also be used as a backhanded insult to someone visiting the red light district, come to think of it. Fun fact: the Dutch word for watch is horloge, which we loaned from the French, but they now use the word montre for watch and horloge for clocks or timepieces.
I was going for the craft of watchmaking, specifically — in the same way that blacksmithing is the crafting derivative of metallurgy.
Ah, like that. It's établissage you're looking for. Because of course there's a French word for that. edit: some more Googling around tells me that its meaning is more about assembly and less about the component manufacturing, but still...
Horourgy. I insist. It's fun making up words with ancient roots.