Introducing – The Full-Gold AP Royal Oak Perpetual Calendar Ultra-Thin
We’ve talked about the Royal Oak Perpetual Calendar Ultra-Thin on multiple occasions already, and for obvious reasons. When first presented as a prototype watch named RD#2, it was the world’s thinnest perpetual calendar wristwatch, with an impressive 6.2mm thickness. Despite Bulgari re-gaining the title a year later, this Audemars Piguet remains truly impressive and is […]