(Speedmaster Professional Chronograph ref. 145 012 - 67 ST), circa 1967 From a series of chronographs produced in 1967 before they were selected by NASA in 1969 for lunar missions. Steel case with crown protection and screw-back pushers, numbered and engraved with the Speedmaster seahorse logo. Black dial with three hollow counters: Functions: hours totalizer at 6 o'clock, small seconds at 9 o'clock, minutes at 3 o'clock. Painted indexes and luminescent skeleton hands, chrono arrow second hand. One-piece black epoxy bezel with tachymeter scale (slight missing at 11 o'clock). Added leather bracelet. Movement: Mechanical caliber with manual winding signed OMEGA / 321 Lemania (With dust cover) Swiss. Diam. 42mm. Condition: Very Good condition
