細節
Ulysse Nardin. A fine 18K gold openface chronograph keyless lever watch with pulsometer, original certificate and box
Signed Ulysse Nardin, Locle & Geneve, Cronografo Medical, movement no. 203578, case no. 384185, circa 1925
With gilt-finished jewelled lever movement, bimetallic compensation balance, micrometer regulator, gold cuvette, the white enamel dial with Arabic numerals, blued steel spade hands, outer scale calibrated for 30 pulsations, two subsidiary dials indicating 30 minutes register and constant seconds, in plain circular case, chronograph button in the crown, case, cuvette, dial and movement signed and numbered
49 mm.diam.