Rolex - Date Just II
The DATEJUST II continues the tradition of the DATEJUST, the emblematic model created by Rolex in 1945, the first self-winding waterproof wristwatch chronometer to display the date in a window on the dial. A reinterpretation of that symbol of the modern watch, the DATEJUST II inspires admiration with its impressive case and technical attributes.
The OYSTER case, symbol of waterproofness
The DATEJUST II's 41 mm OYSTER case, guaranteed waterproof to a depth of 100 metres (330 feet), is a paragon of robustness. The characteristically shaped middle case is crafted from a solid block of particularly corrosion-resistant 904L steel. The fluted case back is hermetically screwed down with a special tool exclusive to Rolex watchmakers. The winding crown, fitted with the patented TWINLOCK double waterproofness system, screws down securely against the case. The crystal, with a CYCLOPS lens at 3 o'clock for easy reading of the date, is made of virtually scratchproof synthetic sapphire. The waterproof OYSTER case allies refinement with efficiency in protecting the DATEJUST II's high-precision movement.
Calibre 3136, a superlative chronometer
The DATEJUST II is equipped with calibre 3136, a self-winding mechanical movement entirely developed and manufactured by Rolex. Like all PERPETUAL movements, the 3136 is a certified Swiss chronometer, a designation reserved for high-precision watches that have successfully passed the Swiss Official Chronometer Testing Institute (COSC) tests. Its architecture, like that of all OYSTER watch movements, makes it singularly precise and reliable. The oscillator, the true heart of the watch, has a blue PARACHROM hairspring patented and manufactured by Rolex in an exclusive alloy. Insensitive to magnetic fields, the PARACHROM hairspring offers great stability when exposed to temperature variations and remains up to 10 times more precise than a traditional hairspring in case of shocks. The oscillator is fitted between high-performance PARAFLEX shock absorbers, patented by Rolex, which offer 50 per cent greater resistance to shocks.
Comfort and elegance of the OYSTER bracelet
This DATEJUST II model is fitted with a 904L steel OYSTER bracelet with a folding OYSTERCLASP. Developed and patented by Rolex, this elegant solid-link bracelet offers remarkable comfort and ease of use. It also features the ingenious EASYLINK rapid extension system that allows the wearer to easily increase the bracelet length by approximately 5 mm, for additional comfort in any circumstance.
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