1946 Longines 13zn Very Rare Silver Two-Tone Snail Dial in 38mm 18K Rose Gold

Longines, Cal. 13zn powered, very rare 18k rose gold, flyback chronograph, two-tone silver dial with snail tachymeter scale, circa mid-1940s. 

It uses a very rare 18k rose gold case, which is rarely seen in 13zn equipped products.The dial is equipped with snail tachymeter scale, which is also rare for a 13zn of this age, with a silver two-tone base, rare applied indexes, and unique hands with curved tips that are rarely seen in Longines watches. Longines' own caliber chronographs are perfectly established in the history of watchmaking and will continue to be appreciated and passed on. The accompanying archive shows that it was shipped to Lebanon in 1946 in an 18-karat rose gold case.