The initial Royal Oak products had been fitted While using the calibre 2121 motion, which was according to the calibre 2120 designed by Audemars Piguet in 1967, the globe’s thinnest self-winding movement with the era with date indication, and an Over-all peak of 3.05mm. The calibre 2121 was also Outfitted https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/