The primary Royal Oak products were being fitted With all the calibre 2121 motion, which was according to the calibre 2120 developed by Audemars Piguet in 1967, the entire world’s thinnest self-winding movement of the era with date indicator, and an General height of 3.05mm. The calibre 2121 was also https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/