OMEGA SPEEDMASTER PROFESSIONAL REF. 145.0022 (345.0022), 2000S Three body tonneau stainless steel case, n. 77099468, lyre lugs, fixed bezel with black insert graduated to tachymeter 300 units scale, screw back with in relief Seamaster logo, Omega crown and pushers inset into the band. Omega steel bracelet with deployant clasp reference 1998/849, end-links stamped 849.
Matte black dial signed, luminous bâton indexes, minute and 1/5th of seconds divisions, sunk and engine turned subsidiary dials for seconds, 30-min and 12-hour registers. White and luminescent bâton hands, luminescent arrow hand for the chronograph.
Signed manual winding movement, rhodium-plated caliber 1851, n. 77099468, antimagnetic dustcover, lever system for the chronograph, 18 jewels, lever escapement, monometallic balance, flat hairspring, Incabloc shock-absorber.
Fitted with Omega box and operating instructions booklet.
Diameter Ø: 42 mm 
Note: working.