The initial Royal Oak products ended up equipped Using the calibre 2121 motion, which was based on the calibre 2120 produced by Audemars Piguet in 1967, the entire world’s thinnest self-winding movement of your era with date indication, and an Over-all top of three.05mm. The calibre 2121 was also Geared https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/