French full hunter chronometer with chronograph Circa 1892

Rose gold hunting cased chronometer with chronograph
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A French 18 carat rose gold hunting cased anchor chronometer with chronograph, circa 1892. Anchor chronometer movement, adjustable steel anchor with compensation balance (the same type Patek used in his Observatory Chronometer), very interesting chronograph mechanism with  faceted, polished and matted steel parts, polished and blued screws, ruby ​​jewels, gold wheels, large bimetallic gold screwed compensation balance, compensation spring made of palladium with end curve according to Phillips, wolf toothing. White enamel dial, gold pear hands and filigree steel chronograph hands. Heavy, plain case with monogram of the watchmaker ‘CR’ to the front. French 18k gold mark (horse head) valid from 1838-1919. Case maker’s mark ‘SG’: Société Générale des Monteurs de Boîtes d’or de Besançon. Cuvette engraved: Celestin Ratie, École Nationale d’Horlogerie de Cluses, 1892, Souvenir d’apprentissage.
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Diameter: 53 mm
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Weight: 121 g
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Signed: Celestin Ratie École Nationale d’Horlogerie de Cluses 1892 Souvenir d’apprentissage
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Judging from the unbelievable love of detail and the extremely finely crafted individual parts, this watch is a very fine piece of a highly skilled watchmaker. Unfortunately nothing is known about ‘Celestin Ratie’. L’École Nationale d ‘Horlogerie de Cluses was founded by Achille Benoit in 1848.