Fine and unusual English 18 Carat gold chronometer Circa 1869

Open faced pocket chronometer by Barrauds & Lunds
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An English fine and unusual 18 Carat gold open faced pocket chronometer, circa 1869. Frosted gilt and partially skeletonized movement, spring detent escapement, free sprung, bi metallic compensation balance with blued steel helical spring, diamond end stone, steel detent with separate cock and dovetail adjustment, fusee and chain, glazed cuvette with a winding hole. White enamel dial, Roman numerals, gold spade hands, large subsidiary seconds with a blued steel hand, and outer minute track. Engine turned case with blank central cartouche, gold pendant, case with maker’s mark AS for Alfred Stram.
Movement signed Barraud & Lunds, 41 Cornhill, London, dial signed and numbered, the ebauche with maker’s mark J.P. for Joseph Preston & Sons.
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Diameter: 52 mm
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Signed: Barraud & Lunds 41 Cornhill London
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For a nearly identical pocket chronometer and extensive discussion of this construction by Barrauds & Lund, see: Cedric Jagger and Paul Philip Barraud: The supplement.
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Barraud & Lunds active in London 1839-1863.