LONGINES FLYBACK CHRONOGRAPH 13ZN
Longines, Anti-Magnetique, No. 5479951. Sold on August 20th,
1938 to Ostersetzer, Italy.
Fine, large and very rare, 18K yellow gold anti-magnetic
wristwatch with square button flyback chronograph, mobile
lugs, register, tachometer and telemeter. Accompanied by a
Longines extract from the archives.
Three-body, solid, polished, step-down bezel, mobile lugs,
snap-on case back.
Matte silver with painted arabic numerals, subsidiary
dials for the seconds and the 30-minute register, outer 1/5th
seconds/minute track, outermost blue telemeter scale and blue
tachometer scale. Blued steel hands.
Cal. 13ZN, gilt, 18 jewels, straight line lever escapement,
monometallic balance, self compensating Breguet balance
spring, shock absorber, index regulator.