OMEGA SPEEDMASTER BROAD ARROW REF. 2915-3 STEEL
Omega, "Speedmaster," movement No. 15996317, Ref. 2915-3. Made in 1959.
Very fine and very rare, water-resistant, stainless steel wristwatch with round button chronograph,
registers, tachometer and a stainless steel semi-elastic Omega link bracelet with short clasp.
Three-body, polished and brushed, lyre lugs, tachometer graduation to 1000 UPH on the steel
bezel, screwed-down case back.
Black with luminous painted baton indexes, outer minute/seconds divisions, subsidiary dials for
the seconds, the 12-hour and 30-minute registers. Luminous steel broad arrow hands.
Cal. 321, copper-colored, 17 jewels, straight-line lever escapement, monometallic balance, shock
absorber, self compensating Breguet balance spring, index regulator.