A hallmark of its nobility, its Oyster case guaranteed waterproof to a depth of 100 metres (330 feet) is produced exclusively in 950 platinum or in 18 ct gold. On this occasion, we point out outstanding green dial and elegant leather strap version, with 36 mm case made of yellow gold. The Day-Date is equipped with calibre 3155, a self-winding mechanical movement entirely developed and manufactured by Rolex.