English rack lever watch with 15 seconds indication Circa 1806

Gold hunting cased pocket watch by Morris Tobias & Co
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A very heavy English gold hunting cased watch with rack lever escapement and rare 15 seconds indication, circa 1806.
18 carat gold case with hallmarks 1806, casemaker’s punch JH, floral relief and signed dome inscribed “Patent”. Decorative bridge, diamond endstone, very rare English movement with rack lever escapement, Liverpool Windows and temperature compensation. White enamel dial with Roman hours, subsidiary dial with rare 15 seconds indication and pink gold hands.
Dial and movement signed and numbered.
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Diameter: 56 mm
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Weight: 177 g
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Signed: Morris Tobias & Co, London
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This watch is very rare. A silver piece by this manufacturer with the number 1017 already achieved CHF 3,000 in 2006. The 18K gold edition is a rarity for connoisseurs of this very early rack lever watches. Only very few of these watches were made with gold cases. The term “patent” on dome and dial refers to the patent of the inventor Peter Litherland in 1791.