The main Royal Oak products were fitted While using the calibre 2121 motion, which was according to the calibre 2120 produced by Audemars Piguet in 1967, the entire world’s thinnest self-winding motion from the period with day indicator, and an Over-all peak of three.05mm. The calibre 2121 was also equipped https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/