18k yellow gold Wrist Chronometer no. 6877

Case: 18k yellow gold (in all probability, refering to the yellow gold crown) Dial: silvered white with applied Breguet nummerals, signed H.R. Ekegren, Geneva Movement: Niton s/n; 6877 (in all probability) and E. Koehn s/n; 90536, H.R. Ekegren made by E. Koehn Geneva Swiss, Eighteen 18 jewels, Eight 8 adjustments, 2 x Poincon de Geneve quality seal obtained on Mai 15, 1931 and the movement was part of a batch of 6 (6873-6878). Provenance: 1931 - Niton, Geneve 1931 - H.R. Ekegren by E. Koehn, Geneve 2024 - ebay member windowshoppingparis, Santa Barbara, California, United States Notice; At the end of the company H.R. Ekegren by E. Koehn, Edouard Koehn Jr. cooperated with Niton between 1931-1933.