Important Collectors' Wristwatches, P...

Geneva, May 08, 2010

LOT 361

Ecole d'Horlogerie for Breitling Swiss school of horology for Breitling, ?Chronograph?. Made in the 1960s. Fine, water resistant, 18K yellow gold wristwatch with Valjoux 886 , round button chronograph, registers, triple date and moon phases.

C. Three-body, solid, polished and brushed, inclined bezel, concave bezel, screwed down case back, correctors on the band. D. Two-tone silver with applied yellow gold baton indexes, subsidiary dials for the seconds, 30 minute and 12 hours register, apertures for the day of the month, month and moon phases, outer 1/5 second/minute divisions, outermost blue graduation for the date. Blued steel Feuille hands. M. Cal Valjoux 886, frosted gilt, 17 jewels, straight line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial signed Breitling. Diam. 36 mm. Thickness 12.5 mm.