1937 Longines Cal.13zn Step-Bezel Flexible-Lug Flyback Chronograph Rare Two-Tone Dial in Staybrite

This is a rare pink circle two-tone dial flyback chronograph with step bezel flexible lug design flyback chronograph with Longines famous Cal.13zn manufactured in 1937. The stay-bright case with step bezel and flexible lugs design has a massive structure unique to vintage Longines even though it is not water-resistant, and the dial has a two-tone color with pink circles and a large snailed tachymeter layout, a wonderful dial design unique to this era. The dial has a large snailed tachymeter in a two-tone color with pink circles. The case is in excellent condition with a natural taste, and the case is a precious piece that retains its original shape, which has probably not been touched up in any way. An archive is included.