187 - École d'horlogerie - Split-Seconds Chronograph

École d'horlogerie - Split-Seconds Chronograph (*) An exquisite Swiss pocket watch with a split-seconds chronograph and sector dial—a graduate’s project Movement No. 261, Dimensions 54 mm, circa 1940, Weight 112 g, Origin: Switzerland Case: Steel, push-back. Dial: Two-tone silvered; central, spiral-shaped tachymeter scale. Movement: Bridge movement, lever escapement, screw-compensated balance. Case: very good. Dial: very good. Movement: very good, needs cleaning.