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Auctioneers Dr. Crott 90th Auction

321 322 A.S. & F. (“Armand Schwob & Frère”), La Chaux de Fonds, “Mystérieuse”, Brevete S.G.D.G., Movement No. 3900, Case No. 3726, 54 mm, 84 g, circa 1885 A gentleman’s rare silver pocket watch with hands moved by rotating glass discs Case: silver, glazed on both sides, decorated. Dial: rotating glass discs with applied spade hands, radial Roman numerals. Movm.: crescent- shaped movement, frosted, gilt, “H. R. Brevete”, cylinder escapement, ring balance. A.S. & F. (“Armand Schwob & Frère”), La Chaux de Fonds, “Mysté- rieuse”, Brevete S.G.D.G. — 罕見的銀質男仕懷錶,附透過旋轉的玻 璃錶殼帶動指針 39568 C: 2, 10 D: 2 M: 2, 41, 51 2.200 - 2.800 EUR 2.800 - 3.500 USD 22.000 - 28.000 HKD Courvoisier Frères “Mobilis”, La Chaux-de-Fonds, Movement No. 103576, Case No. 2980, 54 mm, 94 g, circa 1900 A rare “Poor Man’s Tourbillon” according to the Swiss patent No. 30754 of Paul Loichot with club-tooth lever escapement Case: silver, engraved monogram cartouche, engine-turned. Dial: silvered, structured, eccentric hour dial with Arabic numerals, aperture for visible tourbillon with engraved balance bridge, blued spade hands. Movm.: full plate movement, frosted, gilt, U.S. Pat. appl. for D.R.P. ang. Pat. N. 7888/1905, Brevettato R.A.208.N.232, Btè S.G.D.G. 30754, screw compen- sation balance. Courvoisier Frères Brothers Henri-Louis and Philippe Auguste Courvoisier traded from 1842 on under the name “Courvoisier Frères”. When more brothers joined the partnership in 1882, they changed the company name to “Courvoisier Fils”. Specialising in high quality watches, they were commissioned by the city of La Chaux-de-Fonds to create a watch for the Prussian King William IV; at the time this ultra-flat watch was supposedly the thinnest in the world. The tourbillon movement invented by the Swiss Paul Loichot (which he turned in the case so it would be visible face-sided) was patented for the Courvoisier brothers on July 4th, 1905 under the number 19062 and the name “Mobilis”. Courvoisier Frères “Mobilis”,La Chaux-de-Fonds — 罕見 的”Volks” - Paul Loichot瑞士專利編號 30754的陀飛輪,附活塞 齒輪擒縱 39564 C: 2, 11 D: 2, 8 M: 2, 41, 51 1.800 - 2.800 EUR 2.300 - 3.500 USD 18.000 - 28.000 HKD

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