Baume & Mercier William Baume Monopusher

With only 20 pieces worldwide, the Baume & Mercier William Baume Monopusher Chronograph Watch is by default a rare and wonderful timepiece from their William Baume Collection. The 18k rose gold case measures 41mm and features a sapphire display back and crystal. Movement is manual-wind Lajoux-Perret caliber 5000 with 21 jewels. If you’re fortunate enough to be one of the 20 people to grab one, it won’t come that cheap. $30,500.

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