OMEGA REF. 105.003 SPEEDMASTER ED WHITE STEEL
Omega, "Speedmaster" movement No. 26554518,
Ref. ST 105.003-65. Made circa 1965.
Fine and rare, water-resistant, stainless steel wristwatch with
round button chronograph, registers, tachometer
Three-body, polished and brushed, screwed-down case back
engraved with the Speedmaster logo, tachometer graduation on
the black bezel to 500 UPH, lyre lugs, dust protecting cap.
Black with luminous baton indexes, outer minute and 1/5th
seconds track, 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, self-compensating
blued Breguet balance spring, index regulator.