The primary Royal Oak types ended up fitted Together with the calibre 2121 motion, which was according to the calibre 2120 developed by Audemars Piguet in 1967, the world’s thinnest self-winding movement on the era with date indication, and an General top of three.05mm. The calibre 2121 was also equipped https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/