The first Royal Oak designs had been equipped With all the calibre 2121 movement, which was according to the calibre 2120 developed by Audemars Piguet in 1967, the globe’s thinnest self-winding motion from the period with date sign, and an Total peak of 3.05mm. The calibre 2121 was also Outfitted https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/