#4 Vacheron Constatin Tour de I’lle
The Vacheron Constatin Tour de I’lle is another complex and stunning timepiece and could easily be considered an actual object of art. The dual-sided watch is constructed out of 18-carat gold, and the watch’s non-reflective glass is flawless blue sapphire. Initially manufactured by the Swiss watchmaker Vacheron Constantin to commemorate its 250 anniversary, this one-of-a-kind timepiece will set you back $1.5 million.
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