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Auktionen Dr. Crott 91st Auction

677 676 “Faite à l’Ecole d’Horlogerie de Bienne par Georges Bourquin 1877”, 51 mm, 135 g, datiert 1877 A sophisticated Swiss hunting case pocket watch with spring detent escapement - graduate’s work of the watchmaking school in Biel Case: 18k rose gold, tiered, partly engine-turned, à goutte, lavishly florally engraved and signed gold dome. Dial: enamel, radial Roman hours, auxiliary seconds, distaff gold hands. Movm.: bridge movement, rhodium- plated, “fausses côtes” decoration, screwed gold chatons, wolfteeth winding wheels, large gold screw compensation balance. “Faite à l’Ecole d’Horlogerie de Bienne par Georges Bourquin 1877” — 極富權威性的瑞士Biel專業鐘錶學校作品,附彈簧振盪 擒縱 40492  C: 2 D: 2 M: 2, 41  8.500 - 10.000 EUR 9.400 - 11.000 USD 76.500 - 90.000 HKD Jules Jürgensen, Copenhagen, Movement No. 13647, Case No. 13647, 56 mm, 145 g, circa 1890  A five minute repeating hunting case pocket watch with patented Juergensen bow setting Case: 18k rose gold, tiered, polished, à goutte, slide for repeating mechanism, glazed movement. Dial: enamel, radial Roman hours, auxiliary seconds, blued Breguet hands. Movm.: bridge movement, signed, nickel- plated, ground, 2 hammers / 2 gongs, screwed gold chaton, gold screw compensation balance. Jules Jürgensen 哥本哈根 — 獵式懷錶,附5分鐘問功能及Jürgensen 的專利指針設計 40533  C: 2 D: 2 M: 2, 41  6.500 - 8.000 EUR 7.200 - 8.800 USD 58.500 - 72.000 HKD

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