The first Royal Oak types were fitted Together with the calibre 2121 motion, which was dependant on the calibre 2120 created by Audemars Piguet in 1967, the globe’s thinnest self-winding movement of the period with day sign, and an Over-all top of 3.05mm. The calibre 2121 was also equipped having https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/