Important Collectors’ Watches, Pocket...

Geneva, Oct 14, 2007

LOT 10

Ecole d'Horlogerie Stainless Steel ?Tri- Compax? Technicum du Locle, case No. 131069. Made circa 1950. Fine and rare, stainless steel wristwatch with square button chronograph, registers, tachometer and triple date calendar.

C. Three-body, polished and brushed, concave lugs, calendar setting pins in the band. D. Matte silver with painted black Arabic numerals, outer minute and fifths of a second divisions, Arabic five second numerals, outer blue painted tachometer scale, outermost red painted date numerals, subsidiary dials for the seconds, 30-minute and 12-hour registers, apertures for the days of the week and months. Gilt "baton" hands. M. Cal. 5038, 13''', rhodium-plated, "fausses-côtes" decoration, 25 ,jewels, straight-line lever escapement, monometallic balance, selfcompensating Breguet balance-spring, index regulator. Dial signed Ecole d?Horlogerie Le Locle, movement signed Technicum du Locle, case numbered. Diam. 35 mm. Thickness 10 mm.