Ulysse Nardin. A stainless steel keyless wind open face Observation chronometer deck watch with wooden display box
Date: Circa 1940Movement: Gilt Swiss lever, cut and compensated bi-metallic balance, No.120597Dial: White, black Roman numerals, black outer 1/5th second divisions, blued steel spade hands, centre seconds, No.120597Case: Polished round hinged, No.604514Signed: Case, dial & movement Size: 64mm, display box 101mm x 122mm x 66mm Accompaniments: Wooden display box numbered 263 inside with Dennison brass securing case