Swiss watch with coat of arms of the House of Osman Circa 1890

Gold enamel watch with a second time zone
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An extremely rare Swiss 18 carat gold enamel Ottoman presentation lever pocket watch with coat of arms of the House of Osman and a second time zone, made circa 1890. The open faced numbered case of this watch is crafted from 18 Carat gold and has a perfectly preserved enamel painting representing the Ottoman military coat of arms on the back lid. The two coloured enamel technically interesting and screwed dial has a display of a second time zone via two adjustable rings and the movement is numbered.
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Diameter: 48 mm
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Weight: 93 g
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Signed: No name                
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Gold gift watches of Ottoman rulers are extremely rare and precious. The elaborately designed enamel coat of arms is perfectly preserved!