The primary Royal Oak versions had been equipped with the calibre 2121 movement, which was determined by the calibre 2120 created by Audemars Piguet in 1967, the planet’s thinnest self-winding motion from the period with date indicator, and an overall top of 3.05mm. The calibre 2121 was also Outfitted having https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/