Watch Data

18k yellow gold Wrist Chronometer no. 3690

Case: Egyptian style enameled 18k yellow gold case (back marked E.W.C. Co (for European Watch and Clock Co. Inc.) made in France appears to be a Geneva mark).

Dial: silvered dial, signed France

Movement: s/n; 3690, baguette caliber 2 3/4 (21,3 x 6,5 x 3,2 mm), Eighteen 18 jewels, All adjustments, Swiss, obtained the Poincon de Geneve quality seal on November 13, 1925 and was part of a batch of 6 (3685-3690). Winder goes in at the top not the side.

1927 - Niton, Geneve

1925 - Cartier, Paris

2023 - Reddit member on r/watchmaking, Posted by u/InternationalEye1146


It is known that Cartier sold watches made by Niton like cocktail pocket watches, ladies cocktail wristwatches and men's jump hour wristwatches, aka taxi watches. The European Watch and Clock company (EWC) was Cartier's exclusive supplier of LeCoultre movements. But it is also known that they bought movements and complete watches from third parties, like Niton, Audemars Piguet, Vacheron Constantin, Harwood etc..

Also Pavillons Watch Co. used a similar baguette caliber by Niton with movement serial number 3253 (see pic below) and see;