Important Collectors’ Wristwatches Po...

Geneva, Hotel Des Bergues, Oct 21, 1995

LOT 608

Anc. Mon.B. Haas Jne. & Cie., Haas Neveux & Cie. Srs., 5 Quai du Mont Blanc - Genève, 7 rue Scribe, Paris, No. 41233, circa 1907. Very fine 18 ct. pink gold, small keyless pocket chronometer with first Class Bulletin from the Observatory of Geneva at the timing contest organised in 1908.

CHF 2,000 - 3,000

C. Three body, massive, "demi-bassine", polished. Hinged gold cuvette engraved with mention of the First Class Bulletin. D. White enamel with Arabic numerals, gilt outer Arabic minute ring and sunk subsidiary seconds. Gold "Louis XV" hands. M. 16"', nickel plated, "fausses côtes" decoration, bearing the Geneva quality marks, 21 jewels, straight line lever escapement, cut bimetallic balance, "Extra adjustment" by Henri Wherli fils, blued steel balance spring with terminal curve and eccentric micrometric index. Signed on the dial and cuvette. In very good condition. Diam. 46 mm.


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Notes

Timing Contest : - Mean average daily rate +/- 0"38 - Restart period + 0"60 - Error of compensation per degree C +/- 0"151 - Mean error in 6 positions +/- 0"72 - Awarded mark : 164.1/300