Omega - Racing Speedmaster - Mark II Omega, 'Speedmaster Professional, Mark II,' No. 31329477, Ref. ST 145.014. Made in 1970. Fine and rare, tonneau-shaped, water-resistant, stainless steel wristwatch with round-button chronograph, registers, tachometer and a stainless steel Omega link bracelet with deployant clasp. | Important Modern & Vintage Timepieces | New York, 15th September 2010
Omega - Racing Speedmaster - Mark II Omega, ?Speedmaster Professional, Mark II,? No. 31329477, Ref. ST 145.014. Made in 1970. Fine and rare, tonneau-shaped, water-resistant, stainless steel wristwatch with round-button chronograph, registers, tachometer and a stainless steel Omega link bracelet with deployant clasp., USD 1,000 - 2,000 EUR 750 - 1,500 / CHF 1,100 - 2,200Sold: USD 1,625 C. Two-body, solid, polished and brushed, screw-down case back with Speedmaster logo, tachometer scale graduated to 500 UPH reverse-painted on the sapphire crystal. D. Black with painted 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. 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, micrometer regulator. Dial, case and movement signed. Dim. 41 x 45 mm. Thickness 14 mm. Approx. overall length 195 mm.
