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Auktionen Dr. Crott 91st Auction

632 631 A collection of 2 works of a pupil of the clockmaking school La Chaux-de-Fonds - Technicum La Chaux de Fonds, Movement No. 6.5., Case No. 5348, 53 mm, 107 g, circa 1930  A remarkable Swiss graduate’s work - single button chronograph Case: Niello silver, florally ornamented, applied pink gold ornament, gold crown. Dial: enamel, Arabic numerals, auxiliary seconds, 30 min. counter, tachy scale, blued Breguet hands. Movm.: bridge movement, rhodium-plated, “fausses côtes” decoration, wolfteeth winding wheels, finely ground, bevelled chronograph steel parts, ratchet wheel, gold screw compensation balance, blued balance spring with terminal curve. Technicum La Chaux de Fonds, Movement No. 6.3., Case No. 10, 52 mm, 105 g, circa 1930  An as new Swiss graduate’s work- lever chronometer Case: silver, tiered, polished, glazed movement. Dial: enamel, Arabic numerals, blued Breguet hands. Movm.: bridge movement, rhodium- plated, “fausses côtes” decoration, Guillaume screw compensation balance, blued Breguet balance spring, endstone on balance. 一套兩只La Chaux-de-Fonds鐘錶學校的專業作品 Technicum La Chaux de Fonds — 極引人注目的瑞士鐘錶學校作品, 單鈕碼錶 40480  C: 2 D: 2 M: 2, 41  4.500 - 5.500 EUR 5.000 - 6.100 USD 40.500 - 49.500 HKD École Nationale d’Horlogerie de Besancon, Case No. 1930, 53 mm, 104 g, circa 1930  A rare Swiss graduate’s piece of the watchmaker school Le Locle with minute repeater and chonograph in a Niello-silver case Case: Niello silver, Art Nouveau lilly decor, case maker’s punch mark “Niel HF” (Huguenin Freres / Huguenin Freres & Co. / Fabrique Niel), chronograph pusher via crown, slide for repeating mechanism. Dial: enamel, Arabic numerals, auxiliary seconds, 30 min. counter, blued Breguet hands. Movm.: bridge movement, rhodium-plated, “fausses côtes” decoration, finely ground and bevelled chronograph steel parts, ratchet wheel, 2 hammers / 2 gongs, “Patent Swiss 7833”, governor for repetition, gold screw compensation balance. École Nationale d’Horlogerie Le Locle — 罕見的瑞士Le Locle專業鐘 錶學校三問懷錶,附碼錶及烏銀錶殼 40552  C: 2 D: 2 M: 2, 41  4.500 - 7.500 EUR 5.000 - 8.300 USD 40.500 - 67.500 HKD

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