OMEGA SPEEDMASTER PROFESSIONAL OMAN SWORDS STEEL
Omega, "Speedmaster Professional", movement No. 48276881, Ref. ST 145.0022/PIC. 3590.50.00.
Made in September 1991.
Fine, and extremely rare, water-resistant, stainless steel wristwatch with round button
chronograph, registers, black bezel with tachometer and a stainless steel Omega link bracelet with
deployant clasp. Accompanied by an Omega Extract from the archives, extract of records and letter.
Three-body, solid, polished and brushed, lyre lugs, stainless steel bezel with inserted black
tachometer ring graduated to 500 UPH, case back engraved with: "Omega Speedmaster - First
Watch Worn On The Moon, Flight-Qualified by Nasa for all Manned Space Missions".
Matte black with painted luminous baton indexes, outer minute/ seconds divisions, sunk
subsidiary dials for the seconds, 12-hour and 30-minute registers. Luminous white "baton" hands,
luminous white hand for the central seconds.
Cal. 861, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber,
self-compensating flat balance spring, index regulator.