How much is the Omega 8520 movement?

Generally, it is 200 to 300, and the maximum is not more than 320.

There is a resonator composed of a balance wheel and a hairspring in the movement of a watch, and the stability of its oscillation period determines the timing accuracy of the watch. The swing of the balance wheel is left and right, and its swing amplitude is the swing amplitude.

OMEGA is a Swiss watch brand, which belongs to Swatch Group. Its English name is Omega, named after the Greek letter "ω". It was founded by Louis Brandt on 1848. 1932, Omega launched the diving watch -Marine. The mobile Altman series was launched on 1957; 1967, Omega launched the De Ville series. As of 202 1, official website shows that there are four series of Omega wristwatches * * *: Omega Constellation Series, Omega Seahorse Series, Omega Motorized Altman Series and Omega Butterfly Series.