Ulysse Nardin Rattrapante Chronograph

observation watch with stop function in wooden box, c. 1940
Case: silver 925, glazed back, push-piece for stop second, diameter c. 62 mm
Movement: manual winding, decorated lever movement, numbered 127829, stop function via control wheel, precision adjust
Dial: silver-coloured, Arabic numerals, 30-second counter, small second
Accessories: wooden box with brass inlay
Observation clocks, or deck clocks, were mostly intended for military use. An important requirement was precision of movement. The present model also features a stop function with ‘rattrapante’ split-seconds. The key for the wooden box is no longer present.
Specialist: Günter Eichberger