It is fascinating that such a device was found on the seabed. It makes me wonder if it might have been aboard a ship that sank, or was it discarded from a vessel at sea? It could be an example of the world's earliest mechanical chronometer, one that might have been used for calculate a ship's position at sea.
I've seen a program about this wonderful discovery last year, but the identification of writings on the dials was as yet not accomplished. Let us hope for more information to enlighten us further. This is stupendous!
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