Important Collectors' Wristwtches, Po...

New York, Sep 26, 2007

LOT 190

Mark II, So-Called ?RACING? Omega, ?Speedmaster Professional, Mark II?, No. 31318134, Ref. ST 145.014. Made in 1973. Fine and rare, tonneau-shaped, water-resistant, stainless steel wristwatch with round-button chronograph, registers, tachometer and a stainless steel Omega link bracelet.

C. Two-body, solid, polished and brushed, screw-down case back with the Speedmaster logo. D. Black with applied luminous baton indexes, outer minute/seconds and 1/5th seconds divisions in white and orange, subsidiary dials for the constant seconds, the 30-minute and 12-hour registers, mineral crystal with tachometer scale graduated to 500 UPH. Luminous white ?baton? hands, orange hand for the chronograph function. M. Cal. 861, copper-colored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Dim. 41 x 45 mm. Thickness 15 mm.