18ct yellow gold Wrist Chronometer no. -

Case: 18ct yellow gold Dial: Gothic hands and Breguet numbers, signed "H.R. Ekegren, Geneva" Movement: s/n; 90495, tonneau shaped caliber 11 ligne, 19 jewels, 8 adjustments, 2 x Poincon de Geneve quality seals. Movement sigened; "HR Ekegren made by E. Koehn, Geneva, Swiss, Nineteen 19 jewels, Eight 8 adjustments. Provenance: 1929 - Niton, Geneve 1929 - HR Ekegren by E. Koehn, Geneve 20?? - Watch maker in the USA 18k yellow gold rectangular wristwatch with simple hour & minute, Gothic hands and Breguet numbers, H.R. Ekegren Geneva on the dial, 1 Poincon de Geneve seal on the bridge 1 by the balance wheel, H.R. Ekegren made by E. Koehnn Geneva Swiss Nineteen 19 jewels Eight 8 Adj. This watch was in all probability made by Niton for Edourd Koehn.