Description
OMEGA REF. 145.012 SPEEDMASTER PROFESSIONAL STEEL Omega, "Speedmaster Professional," No. 25007158, Ref. 145.012- 67 SP. Made circa 1967. Fine, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Omega bracelet. | Important Modern & Vintage Timepieces | Geneva, November 13, 2016 OMEGA REF. 145.012 SPEEDMASTER PROFESSIONAL STEEL Omega, "Speedmaster Professional," No. 25007158, Ref. 145.012- 67 SP. Made circa 1967. Fine, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Omega bracelet., Three-body, polished and brushed, screwed-down case back engraved with the Speedmaster logo, anti-magnetic protection cap, tachometer graduation on the bezel to 500 UPH (service), lyre lugs. Grey with luminous baton indexes, subsidiary dials for the seconds, the 12-hour and 30-minute registers. Luminous white baton hands. Cal. 321, copper-colored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, selfcompensating Breguet balance spring.