In 1957, Omega's first generation Speedmaster chronograph was born, numbered CK2915, with a diameter of 38.6 mm, equipped with Omega 321 movement, with the iconic features of "broad arrow" hour hand and steel engraved tachymeter ring. Three versions were produced between 1957 and 1959. In 1959, the second generation Speedmaster CK2998 was born. Before the third generation Speedmaster was officially launched in 1964, a total of 8 versions were produced. The features were changed from the first generation's "broad arrow" hand to the "Alpha" sword-shaped hand, the diameter increased to 39.7 mm, and a black anodized aluminum tachymeter ring. The Omega Speedmaster Professional Moon Watch that we are most familiar with now is derived from the fourth generation Speedmaster that landed on the moon with Armstrong in 1969. Best Omega Speedmaster clone watches online, buy replica watches at firstwatchclone.co.
Since the second-generation Speedmaster followed astronaut Wally Schirra on the Sigma 7 spacecraft in 1962 to carry out NASA's Mercury Project-Atlas 8 low-Earth orbit manned flight mission, the second-generation Speedmaster naturally became the first Omega to enter space. And FOiS is the abbreviation of First Omega in Space, Omega's first space watch. In 2012, to celebrate the 50th anniversary of the 1962 Mercury Project-Atlas 8 mission, the first Speedmaster named after Omega's first space watch, FOiS, was launched. Compared with the modern second-generation Speedmaster CK2998 that Omega had previously launched, this Speedmaster FOiS adopts a design style that is completely faithful to the antique second-generation Speedmaster CK2998-4 version.
This second-generation Speedmaster FOiS not only perfectly restores the style of the antique second-generation Speedmaster CK2998-4, but also makes up for many shortcomings of the first-generation Speedmaster FOiS. First of all, this watch uses the same straight lugs as the antique watch, and the case type without the crown bridge and the diameter of 39.7 mm. Secondly, in terms of detail processing, the brown luminous coating of the new Speedmaster FOiS not only perfectly simulates the appearance of the radium coating gradually turning yellow, but also pays tribute to the classics together with the antique logo and the sunken radial gray-blue dial. In addition, the characteristic of the early Speedmaster models, the dot near the 90 scale on the tachymeter ring is located above the number. This feature is also reproduced on this watch.
The biggest change is that this watch uses Omega's more outstanding 3861 Master Chronometer movement. Compared with the 1861 movement used in the first generation Speedmaster FOiS, the 3861 first replaced the traditional escapement on the 1861 with Omega's iconic coaxial escapement, and obtained the Master Chronometer certification, with a daily error of 0/+5 seconds, 15,000 Gauss anti-magnetic and 50 hours of power reserve. Secondly, 3861 also replaced the fast and slow needle on 1861 with a silicon hairspring installed in a non-carded manner, a weight fine-tuning balance wheel and a double T shock absorber, and added a stop-second function.