Swiss platinum diamond and ruby set open faced watch Circa 1904

Platinum pocket watch by Patek Philippe and Co.
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A Swiss platinum diamond and ruby set open faced watch, retailed by Tiffany & co., Circa 1904. This watch features a skeletonized mechanical movement with a lever escapement, a silvered dial with an outer minute ring, applied indexes, and baton hands. It has a platinum case with a diamond and synthetic ruby set inner bezel, and a snap on case back. The maker signs the dial and movement, while the retailer signs the case and movement. It comes with a Patek Philippe Extract from the Archives confirming the date of sale as July 25, 1904.
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Diameter: 40 mm
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Signed: Patek Philippe & Cie Geneva Switzerland
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The case and caseback are in very good condition with surface scratches consistent with age. The noticeable scratch at 2 o’clock and visible scuff at 3 o’clock on the crystal. The dial is in overall good condition, but with spotting between 3 and 5 o’clock and 10 and 12 o’clock. The hands have scratches and some tarnishing at the tip of the second’s hand. There’s a minor scuff at the top of the signature. The diamond indexes are intact but their quality or condition has not been tested. The movement is running.