Swiss deck watch with split seconds chronograph Circa 1938

Steel open faced deck chronometer by Ulysse Nardin
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A very fine, rare Swiss deck chronometer with split-seconds chronograph and electrical tenth part second contact device, circa 1938.
Steel polished case. Signed enamel dial with Arabic numerals, auxiliary seconds, 15 min. counter, split-seconds and register and blued Breguet hands. Rhodium-plated 2/3 plate movement with Geneva Striping decoration, finely ground chronograph steel parts, ratchet wheel, ground double hand tong with polished bevelling, separate ratchet wheel for split-seconds chronograph, mechanical seconds contact device, Guillaume balance and index spring fine adjusting device.
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Diameter: 65 mm
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Weight: 229 g
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Signed: Ulysse Nardin, Locle Suisse “Chronomètre”