Fine Swiss yellow gold and enamel keyless watch Circa 1921

Yellow gold and enamel watch by Patek Philippe
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A yellow gold and enamel open faced keyless watch, retailed by Shreve & Co., made in 1921. Manual winding movement.
Silvered dial, Breguet numerals, blued steel hands, subsidiary seconds, outer minute track, 18k yellow gold hinged case, bezel enhanced with gold painted foliate pattern on black enamel, case back with gold painted foliate pattern on black enamel, case, dial, cuvette and movement signed by maker, movement signed by retailer.
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Diameter: 44.5 mm
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Signed: Patek, Philippe & Co Geneva Switzerland
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Accompanied by a Patek Philippe Extract from the Archives and presentation box.