Swiss silver open faced keywind pocket watch Circa 1930

Silver pocket watch by “IWC” Schaffhausen
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A beautiful silver IWC Lepine, reference 135, accompanied by a corresponding watch chain with extract from the archives, circa 1930. Both case and watch chain 925 silver, punched, length of chain ca. 24.5 cm, dome also punched,  very fine lever movement, rhodium-plated and decorated with stripes, fine screw balance, Breguet hairspring, swan-neck fine adjusting device, pressed chatons, rubies, lever escapement, polished steel screws, bridge/ main plate punched IWC and with inscription “International Watch Co Swiss”, winding and time setting with crown, original white metal dial in perfect condition, signed “International Watch Co Schaffhausen”, black Roman numerals, subsidiary seconds, black lacquered hands, case back engine turned and blank coat of arms cartouche, also in very good condition, fine collector’s watch, with extract from the archives.
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Diameter: 51,5 mm
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Total Weight: 106 g
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Signed: International Watch Co., Schaffhausen