100 Years of Wristwatches

Geneva, Hotel Des Bergues, Nov 19, 2000

LOT 237

Patek Philippe & Cie, Genèv e, 'Amagnetic', No. 728 112, case No. 697172, Ref. 2570-1, production of thisreference started in 1958.Very fine water-resistant 18K yellow gold gentleman's wristwatch.

CHF 15,000 - 18,000

USD 8,500 - 10,000

Sold: CHF 16,675

C. two-body, solid, polished, screwed-down case back, anti-magnetic protecting cap. D. matte silver with appliedyellow gold indexes and Arabic numerals, auxiliary seconds dial. 'Feuille' yellow gold hands. M. Cal. 12'''-400,stamped with the Geneva Quality Hall Mark, rhodium-plated, 'fausses côtes' decoration, 18 jewels, bronze-berylliumlever escapement, monometallic balance adjusted to heat, cold isochronism and 5 positions, shock-absorber,self-compensating Breguet balance-spring, micrometer regulator.Dial, case, and movement signed.Diam. 35 mm.


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Grading System
Case: 3

Good
Movement: 3*

Good

Overhaul recommended, at buyer's expense
Dial: 3 - 01

Notes

The Ref. 2570 and 2570/1Production started in 1958, first with the caliber 12'''-400, and from 1960, with the caliber 27-400.These calibers are equipped with a bronze-beryllium lever escapement, and are fully protected by a soft iron cap.They are impervious to magnetic fields up to 450 oersteds (unit of measurement of the intensity of a magnetic field).A similar watch is published in 'Patek Philippe Genèv e, Wristwatches', by MARTIN HUBER and ALAN BANBER Y,1998, Patek Philippe S.A., Geneva, pp. 192 and 194.