Omega Speedmaster 145.022-69 ST

Omega Speedmaster Professional

Wristwatch with chronograph, stainless steel, lever movement, caliber 861, movement number 32218497, around 1971, shock protection, eccentric fine adjustment, stop mechanism via rocker switch, 17 jewels, movement cover, black dial with three auxiliary dials for 30-minute, 12-hour counter and small second, tachymeter scale, reference 145022 -69ST, base marked "The first watch worn on the moon. Flightqualified by NASA for all manned space missions", diameter approx. 41 mm, 68.2 g