“Speedmaster” Omega, N°5500710, Ref. 2915-1. Made circa 1957. Very fine and very rare, water-resistant, stainless steel wristwatch with round button chronograph, registers, tachometer and a stainless steel Omega link bracelet.
- USD15 000 - 20 000
- EUR11 000 - 15 000
- USD 82 600
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C. Three-body, polished and brushed, tachometer graduation to 300uph on the steel bezel, screwed-down case back. D. Black with luminous painted baton indexes, outer minute/seconds and 1/5
th seconds divisions, subsidiary dials for the seconds, the 12-hour and 30- minute registers. Luminous steel “broad arrow” hands. M. Cal. 321, copper-colored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, selfcompensating flat balance spring. Dial, case and movement signed. Diam. 39 mm. Thickness 13 mm.