GOLD EBERHARD WITH CHRONOGRAPH, '20S
Three body circular 18K gold Swiss case, n. 81985, hinged bezel and back, concave lugs, olive monopusher. Not original strap and buckle.
Signed white enamel dial, painted Arabic numerals, minutes division and 1/5th of seconds fraction, subsidiary dials for seconds and 30-min counter, inner snail tachymeter scale and outer telemetric scale. Lacquered modernes hands.
Unsigned manual winding movement, nickel-plated caliber Landeron/Hahn, columns wheel system, lever escapement, monometallic balance with screws, Breguet hairspring.
Diameter Ø: 38 mm
Note: working, but a servicing is suggested.