Day-Date 40 Platinum Bright Black Diamond unworn the Sky-Dweller was designed specially

the Sky-Dweller was designed specially for frequent travelers who often change time zone

at whose core lies the celebration of the art of watchmaking in its noblest form

The Oyster Perpetual Explorer

Just a year after its launch

Day-Date 40 Platinum Bright Black Diamond unworn the Sky-Dweller was designed speciallyTHE ULTIMATE WATCH OF PRESTIGE The Oyster Perpetual Day Date is the most prestigious and most exclusive watch in the Oyster Perpetual collection. At its launch in 1956, the Day Date was a major innovation: it was the first calendar wristwatch to indicate, in addition to the date, the day of the week spelt out in full in a window on the dial a technical feat at the time. The Day Date has only ever been made from precious metals 18 ct yellow, white or