18k gold Chronograph Wrist Chronometer no. -
Case: 18k gold, square cussion
Dial: chronograph, tachymeter. In all probability signed Beyer, Zurich
Movement: round caliber 13 ligne. In all probability more than 18 jewels, all adjustments. And in all probability obtained the Poincon de Geneve quality seals, date unknown.
1933 - Niton, Geneve
1933 - Beyer, Zurich
Source/ credits; archive Beyer, Zurich. Delivered by Niton and received by Beyer on May, 27, 1933 and sold on March 14, 1934 for 280 Swiss Francs. Sadly no pictures available.
The archive describes this watch as "Cal. 13, or chronogr. tachymètre carr. coussin"