
Important Collectors’ Wristwatches, Pocket Watches, Clocks LOT 15 “Special Patented Power Source” Isaac Grasset & Cie, Geneva. Made circa 1898. Interesting and rare, silver and gold, keyless pocket watch with special patented power source. C. Three-body, "bassine et filet", engine-turned back with polished gold border and bezel, vacant cartouche. Glazed silver-rimmed cuvette. D. White enamel, Arabic numerals, outer minute track with five-minute Arabic numerals, subsidiary seconds. Blued steel, "spade" hands. M. 43 mm. (19'''), Grasset bridge caliber, 15 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, power source in the form of a narrow coiled spring wound around the winding stem which terminates with a contrate gear meshing with the center wheel pinion. Movement signed. Diam. 50 mm. Estimate: 22,000 HKD - 32,000 HKD
Estimate: 2,800 USD - 4,000 USD
Estimate: 2,300 EUR - 3,300 EURGrading systemC3D3-01M2AAClick here for written condition reportfile:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image001.jpg' />
See high definition image Important Collectors’ Wristwatches, Pocket Watches, Clocks
25-11-2006Sold including buyer's premium:
35,400 HKD