EBERHARD. A MEN'S RARE STAINLESS STEEL MANUAL CHRONOGRAPH WRISTWATCH Model: Contograf Date: Circa 1960's Case reference: 131501 Movement: Signed, 21-Jewels, cal. 310-82  Dial: Signed, reverse panda - black with white subsidiary dials, applied polished steel batons, silvered stick hands with insert luminous, centre seconds hand for chronograph, subsidiary dial for seconds at the 9 o'clock position, subsidiary dial for chronograph minutes at the 3 o'clock position, white outer seconds division and Tachymeter, date aperture at the 6 o'clock with roulette date Case: Signed, brushed and polished stainless steel, flush push button for date at 9 o'clock position of case, bi-directional bezel with blue bezel insert, screw down back No. 131501-806 Strap: Generic brown leather Size: 39mm *Same model watch with Case Reference 131501  was sold in Phillips, November 2018, Lot 70 for CHF 18,750  Eberhard & Co was founded in 1887 in La Chaux de Fonds and they became one of the largest manufactures of watches in Switzerland famous for their high quality chronographs.  Among their biggest accomplishments their first chronograph in 191; their first split seconds in 1939; a rare diving model known as "Scafograph 100" in 1950's; and the extraordinary"Cantograph" introduced in 1960's to try to conquer the market against the well known Rolex Daytona, Heuer Autavia and Omega Speedmaster.