OMEGA SPEEDMASTER BROAD ARROW 3851.20, 2000S Three body tonneau stainless steel case, fixed bezel graduated to tachymeter 300 units scale, lyre lugs, screw back with relief Speedmaster logo and inscription Broad Arrow, round pushers inset into the band. Omega leather strap and deployant clasp.
White dial signed, blued bâton indexes, minute and 1/5th of seconds divisions, subsidiary dials for seconds, 30-min and 12-hour registers, aperture for the date at 6 o’clock. Blued and luminescent arrow hands.
Signed self-winding movement, rhodium-plated caliber 3303A, n. 78024942 and 0202W6, antimagnetic dustcover, 33 jewels, lever escapement, monometallic balance adjusted to five positions, free sprung flat hairspring, Incabloc shock-absorber.
Fitted with Omega box, booklet, document holder and warranties.
Diameter Ø: 42 mm 
Note: working.