18k gold Wrist Chronometer no. -
Case: s/n; 84589, 18k gold tonneau with leather strap
Dial: in all probability signed Beyer, Zurich
Movement: in all probability a tonneau caliber 10 1/2 ligne, with 18 jewels, all adjustments and obtained the Poincon de Geneve quality seals.
1935 - Niton, Geneve
1935 - Beyer, Zurich
Source/ credits; archive Beyer, Zurich. Sadly no pictures available. This watch was delivered by Niton and obtained by Beyer on May, 24 1935 and sold on March 4, 1937 for 150 Swiss Francs.
The archive describes the watch as "Cal. 10 1/2 or tonn. ouv. rde" but it is not exactly clear what is meant by this.