The Longitude at the Eve of the Third...

Geneva, Hotel Des Bergues, Oct 23, 1999

LOT 253

Julien Mathey, Locle, (Swiss), No. 10003, circa 1875.Fine 18K gold, hunting cased keyless watchwith fly back split independent centre secondsand 1/4 second Diablotine.

C. Four body massive, "bassine et filets" engine-turned with ribbed band. Hinged gold cuvette with engine-turned border and engraved with technical details.D. White enamel with Roman numerals, outerArabic minute and centre seconds rings, sunk subsidiary 1/4 second foudroyante. Blued steel Breguet hands. M. 20''', nickel plated, "fausses côtes" decoration, double train with differential winding,30 jewels, counterpoised straight line lever escapement, cut bimetallic balance, Breguet balance spring. Split independent seconds mechanism with flirt on the escape wheel pinion and push pieces in the band.Signed on the dial, case and movement.Diam. 56 mm.