Ca. Ø41mm, metal case no. 3537796, Longines case punch, gilt lever movement, calibre 12.92, also signed Longines, additionally a Turkish signature, no. 3097471, signed original enamel dial with double signature, Longines and Nacib K.Djez Vedjian & Son, Constantinople, steel hands, in good condition, in working order, one of the earliest known Longines wristwatches with enamel dial. Another of these extremely rare watches from 1915, case number 3537735, was auctioned in Geneva (https:///go/bQq) and sold for ca. 5,000 Swiss Francs in 2007!