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Fixed Star

A star or nebula that appears to remain in constant position relative to other celestial bodies, in contrast with celestial bodies such as the planets in our solar system, whose changes in position relative to the stars are readily observable by telescope or the unaided eye. All stars except the sun are considered fixed stars.  http://www.thefreedictionary.com/fixed+star

The shapes of the opened-up plates and bridges are remarkably harmonious for an openworked watch in fact I'd say they're remarkably harmonious period. Hermès has also link kept the high resolution link moon disks from the Arceau L'Heure link De La Lune watches albeit miniaturized to fit the rest of the composition and that unexpected contrasting element of photorealism keeps the whole thing from seeming too predictable always a risk when hewing to a minimalist aesthetic in watch design.