Dimensions:
case diameter 37 mm, thickness 12 mm
CASE: in three bodies with snap-on caseback numbered on the inside 5454257 and bearing 18K and Longines hallmark, stepped bezel, rectangular chronograph pushers, crown with Longines DIAL hallmark. silver-plated with Arabic numerals and point and arrow indexes, two counters at 3 and 6 o'clock, leaf-shaped hands, peripheral tachymeter scale in blue MOVEMENT: hand-wound Longines 13ZN caliber