EBERHARD LARGE CHRONOGRAPH
YELLOW GOLD BLACK DIAL
Eberhard & Co., La Chaux-de-Fonds, case No. 198911.
Made in the 1930s.
Fine, large, 18K yellow gold wristwatch with olive-button
chronograph, register, telemeter and tachometer.
Three-body, polished, stepped flat bezel, concave lugs,
flat band, hinged snap-on case back.
Black with baton indexes and Arabic numerals, outer
minutes and 1/5th second track with 5-second Arabic
markers, outer telemetric scale and inner spiral tachometer
scale to 400 UPH, subsidiary dials for the seconds and the
30 minute register. Gilt epèe hands.
Cal. 6889, rhodium plated, 17 jewels, straight-line lever
escapement, monometallic balance, self-compensating
Breguet balance spring, index regulator.