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Extremely rare steel 64mm ULYSSE NARDIN No. 127299, split second / rattrapante chronograph and observatory! certified chronometer pocket watch, made early 1950s. In fact in 1953 and 1954 this particular piece SN: 127299 was adjusted by Werner Dubois and submitted to timing contests to Neuchâtel Observatory, where scored N=9.70 and N=8.40 accordingly. Accompanied by the original Ulysse Nardin leather-covered fitted field case and strap.
C. Three-body, “bassine et filets,” polished with screwed-down case back (missing). Detachable stainless steel cuvette. White enamel with painted Paris numerals, outer minute track with Arabic five minute/second markers, extreme outer chronograph ring divided into 1/5th and 1/10th of a second, subsidiary seconds and 30- minute register. Blued steel Breguet hands. 22”’, rhodium plated, fausses cotes decoration, 26 jewels, fast beating straight line lever escapement, cut bimetallic compensation Guillaume balance, blued steel Breguet balance spring, micrometer index regulator, button on the winding crown and push piece in the band for the split-seconds function. Dial, case and movement signed.
The apex of Ulysse Nardin horological technology, comes together with its original sport timer case, in a good 8/10 condition (screwed-down case back is missing), running and ready to use!