The very first Royal Oak styles had been equipped Using the calibre 2121 motion, which was according to the calibre 2120 produced by Audemars Piguet in 1967, the globe’s thinnest self-winding motion from the era with day indicator, and an General top of 3.05mm. The calibre 2121 was also Geared https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/