The first Royal Oak versions have been equipped Together with the calibre 2121 movement, which was based upon the calibre 2120 designed by Audemars Piguet in 1967, the earth’s thinnest self-winding movement of the period with date indication, and an Over-all height of 3.05mm. The calibre 2121 was also Geared https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/