Summary • Audemars Piguet acquires the historic “Grosse Pièce” pocket watch at Sotheby’s auction during its 150th anniversary • Crafted in 18k gold, the piece features 19 complications, including a celestial chart of London’s night sky

Audemars Piguet has acquired one of its most historically significant timepieces, the S. Smith & Son Astronomical Watch, better known as the “Grosse Pièce.” Commissioned in 1914 and completed in 1921, this ultra‑complicated pocket watch was auctioned at Sotheby’s Important Watches sale in New York on Monday, as part of the Olmsted Complications Collection. Its return to Le Brassus coincides with Audemars Piguet’s 150th anniversary, underscoring the brand’s dedication to preserving horological heritage and celebrating the artistry of watchmaking.

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