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Auktionen Dr. Crott 91st Auction

139138 Rolex “Oyster Perpetual Milgauss, Superlative Chronometer officially certified”, Movement No. D 968108, Case No. 1994872, Ref. 1019, Cal. 1570, 37 mm, circa 1972  A gentleman’s extremely rare automatic wristwatch with original invoice and original certificate Case: steel, polished bezel, screw back “III/68”, antimagnetic protection cap, screwed “Twinlock” winding crown, steel “Oyster” bracelet Ref. 7836, deployant clasp 6251 H, lugs 280. Dial: silvered, applied luminous indexes, centre seconds, signed, luminous alpha hands. Movm.: rotorwind movement, rhodium-plated, ground, 8 adj., 26 jewels, Glucydur screw balance, shock protection for balance, cam type fine adjusting device. Ref. 1019  The reference 1019 was first produced in 1966 and always has a polished bezel. The name ‘Milgauss’ is a combination of ‘Mil’ (a thousand), and ‘Gauss’, (the unit of the measurement of magnetism). Normal movements can take up to 70-80 Gauss; anything higher comprimises their working order. Good watches usually resist magnetic fields of 60 to 70 Gauss; the ‘Milgauss’, however, keeps its astounding precision in magnetic fields up to 1000 Gauss. The watch’s dial, ring and cover of its movement are made in soft iron forming a Faraday cage - Rolex managed to create a brilliant solution to the problem. Carl Friedrich Gauss (1777-1855) was a German astronomer, mathematician and physicist; he published several important works on celestial mechanics, geodesy, magnetism, electromagnetism and optics. The English chemist and physicist Michael Faraday (1791- 1867) was known for his groundbreaking experiments in electricity and magnetism. Many of his concepts were derived directly from his experiments (such as lines of magnetic force) and became common ideas in modern physics. Gauss - a magnetic induction unit, symbol ‘g’ in the C.G.S. system. A similar watch is described and illustrated in “Rolex, Collecting Wristwatches”, by Osvaldo Patrizzi, 2001 Edition, pp. 352, 353. 勞力士 “Oyster Perpetual Milgauss, Superlative Chronometer officially certified” — 極罕見的男仕自動腕錶,附原廠發票及原廠證書 40940  C: 2 D: 2 M: 2, 41, 51  18.000 - 25.000 EUR 19.800 - 27.600 USD 162.000 - 225.000 HKD Rolex “Oyster Perpetual Date Submariner 660ft/200m Superlative Chronometer officially certified”, Case No. 3181176, Ref. 1680, Cal. 1570, 39 mm, circa 1972 A diver’s rare, fine automatic wristwatch “Red Submariner” with date Case: steel, screw back, turnable black bezel “III/71”, “Triplock” winding crown, folded steel “Oyster” bracelet Ref. 9315, lugs “380”, later service deployant clasp (1998). Dial: black, luminous indexes, centre seconds, silver date indicator, luminous Mercedes hands. Movm.: rotorwind movement, rhodium-plated, ground, 8 adj., 26 jewels, Glucydur screw balance, shock protection for balance. Ref. 1680 Reference 1680 was produced from 1969 until 1980. Watches bearing the inscription “Submariner” in red are much sought after by collectors. The piece at hand has a wonderful black dial background and perfectly matured luminous hour indexes with colour-coordinated hands. The excellent overall condition of the watch and its exceptional beauty make it a truly unique piece. 勞力士 “Oyster Perpetual Date Submariner 660ft/200m Superlative Chronometer officially certified”, 罕見、精緻的潛水自動腕 錶”Red Submariner”,附日期 40860  C: 2 D: 2 M: 2, 41  7.500 - 10.000 EUR 8.300 - 11.000 USD 67.500 - 90.000 HKD

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