Swiss 18k gold open faced lever pocket watch Circa 1922

Open faced lever watch by Patek Philippe made for Tiffany & Co.
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A Geneva gentleman’s pocket watch, circa 1922, and delivered to Tiffany & Co.
The polished case is 18 carat gold with an engraved monogram and a gold dome. The dial is matted with Arabic Breguet numerals, auxiliary seconds and blued spade hands. And the movement is a bridge movement, rhodium-plated, with “Geneva striping” decoration, eight adj., 18 jewels, wolfteeth winding wheels, gold screw compensation balance and counterpoised “Moustache” lever.
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Diameter: 45 mm
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Weight: 61 g
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Signed: Tiffany & Co. Switzerland
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Tiffany & Co.
 In 1874 Tiffany & Co. started a watch factory in Geneva, which lasted about four years (low production). Patek, Philippe & Co. assumed the management of their Geneva watch business. The watch machinery was returned to America.