Description
Omega Speedmaster "Professional" Stainless Steel Chronograph Wristwatch, Switzerland, c. 1974, the black dial inscribed Omega Speedmaster Professional, with stick numerals, three subsidiary dials, and outer "Tachymetre" dial, chronograph calibre 861 manual-wind movement, and stainless steel bracelet, dia. 42 mm. Note: The Speedmaster was the first watch worn on...