1940s Longines "Stop Second Minutes Recorder" Rare Two-Tone Breguet Tachymetre Dial

Longines, "Stop Second Minutes Recorder", rare two-tone dial with tachymeter scale and breguet indexes This is a very rare silver two-tone Breguet tachymeter dial, a masterpiece "Stop Seconds Minute Recorder" YGF model with Longines Cal.12.68z manufactured in early 1940. It is a rare two-tone dial with a tachymeter notation around the perimeter and Breguet indexes laid out in the center of the dial, which is very rare in GF stop-seconds where simple designs are often seen. The case diameter is small at 31mm, but the back cover is round and swollen, coupled with the cylinder case with a sense of gravity, it is a precious gem that attracts a wonderful presence beyond the sense of size. It is equipped with the famous Cal. 12.68z, which has many variations including small seconds, center seconds, and simple chronograph. It comes with a Original leather strap and Buckle.