Swiss steel open faced chronograph lever watch Circa 1932

Steel lever watch with split second
–
A very rare split second chronograph with enamel dial and steel case by Longines circa 1931.
A steel open faced pocket watch, matching number on the case and movement, precision lever movement with split second chronograph.
Original enamel dial with 30-minute counter, red minutes and seconds, blued steel hand, in working hand, very good condition of preservation.
–
Diameter: 52 mm
–
Weight: 98 g
–
Signed:  Longines   Saint Imier
–
This caliber and dial could be found also in the very big Longines wrist chronographs, which are very hard to find!