These watches are not for people with shallow pockets. They're constructed from wooly mammoth ivories. Which is why they cost an upwards of $44.000.
Crafted by Lang & Heyne in a limited edition run of 25 pieces, the ivory that's used in the Friedrich August I and Johann von Sachsen models was sourced from wooly mammoths preserved in the Russian permafrost for thousands and thousands of years. The ivory is incorporated into the watch's inner structure and components.