The Art of American Horology & Colle...

New York, Nov 28, 2001

LOT 322

Omega, "Speedmaster Professional". Production of the Speedmaster started in 1957.Fine, water-resistant, stainless steel gentleman's wristwatch with round button chronograph, registers and tachometer, with black bezel and a stainless steel Omega bracelet.

C. three-body, polished and brushed, screwed-down case back engraved with the inscription: "Flight qualified by NASA for all manned space missions - The first watch worn on the moon", and the Speedmaster logo, dust protecting cap, tachometer graduation on the bezel, stylized lapidated lugs. D. black with tritium-coated indexes, auxiliary dials for the seconds, the 12 hours and 30 minutes registers. "Skeleton" tritium-coated hands. M. Cal. 861, copper-colored, 17 jewels, straight line lever escapment, monometallic balance, shock-absorber, self-compensating flat balance-spring. Dial, case and movement signed. Diam. 42 mm.