OMEGA REF. 145.022-69 PRE-MOON SPEEDMASTER PROFESSIONAL CHOCOLATE DIAL STEEL Omega, "Speedmaster Professional", No. 29636224, Ref. ST 145.022-69. Made circa 1969. Very fine and rare, water-resistant, stainless steel wristwatch with black to brown color-change dial, round button chronograph, 12-hour and 30-minute registers, tachometer scale | Important Modern & Vintage Timepieces | Geneva, May 15, 2016
OMEGA REF. 145.022-69 PRE-MOON SPEEDMASTER PROFESSIONAL CHOCOLATE DIAL STEEL Omega, "Speedmaster Professional", No. 29636224, Ref. ST 145.022-69. Made circa 1969. Very fine and rare, water-resistant, stainless steel wristwatch with black to brown color-change dial, round button chronograph, 12-hour and 30-minute registers, tachometer scale, Three-body, polished and brushed, integral crown and pusher guard, black bezel with tachometer scale to 500 UPH, lyre lugs, screw-down case back with Speedmaster logo, dust cap. Brown with luminous baton indexes, outer minute/seconds divisions, outermost 1/5th second divisions, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous white baton hands. Cal. 861, copper-colored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, index regulator.
