The Art of American Horology Part ll,...

Roosevelt Hotel, Madison Avenue @ 45th Street, Dec 04, 2002

LOT 14

Omega, "Speedmaster Professional", No. 24958266, case No. 145022, circa 1966. Production of the Speedmaster started in 1957.Fine, water-resistant, stainless steel gentleman's wristwatch with round button chronograph and registers.

C. three-body, polished and brushed, screwed-down case back engraved with the Speedmaster logo, anti-magnetic protecting cap, tachometer graduation on the bezel, stylized lapidated lugs. D. black with tritium-coated indexes, auxiliary dials for the seconds, the 12 hour and 30 minute registers. "Bâton" tritium-coated hands.M. Cal. 321, gilt brass, 17 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 42 mm.