Swiss steel pocket watch made for the Russian market Circa 1890

Steel, gun-metal finished pocket watch by Paul Buhré
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Swiss open faced pocket watch for the Russian market, circa 1890.
Steel, gun-metal finished, polished case with signed dome. Signed white enamel dial with radial Arabic numerals (PM and AM), subsidiary dial for the seconds, and blued spade hands. Bridge movement with screw compensation balance.
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Diameter:50  mm
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Weight: 88 g
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Signed: Paul Buhré, Le Locle, Swiss
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Sales representatives carried watches of this type as samples to tweak the interest of the prospective buyers. The dials bear the company logo and are of premium quality.