Introduced in 1945, the Oyster Perpetual Datejust was the first wristwatch to feature a date display, clearly visible with a special magnifying Cyclops lens, now Rolex have released the Datejust II with some small changes such as a bigger 41mm face and new dial options

OYSTER PERPETUAL DATEJUST II
YELLOW OR WHITE ROLESOR
The Datejust II Rolesor makes an exquisite addition to the extensive range of the Oyster Perpetual Datejust family. Pillar of the collection, it is a must-have for anyone who appreciates extraordinary timepieces.
The case
The case, in yellow or white Rolesor, available for the first time in 41 mm, marries optimal comfort with elegant refinement. Fitted with a fluted bezel, the watch is waterproof to a depth of 100 metres (330 feet).
The movement
The Datejust II is equipped with a calibre entirely designed and manufactured by Rolex. It features a Parachrom hairspring, highly resistant to shocks and magnetic fields, as well as new Paraflex shock absorbers, which ensure its superlative chronometric precision and remarkable reliability. The movement is chronometer-certified by the Swiss Official Chronometer Testing Institute (COSC) and has a power reserve of 48 hours.
