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Rolex - Oyster Perpetual Datejust Lady 31 & Lady-Datejust

Rolex Oyster Perpetual Datejust Lady 31 & Lady-Datejust

#wtbasel / An ode to passion and seduction, the Oyster Perpetual DATEJUST LADY 31 presented at Basel world 2012 vividly celebrates a sublime marriage of colours and materials.

Press release

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Oyster Perpetual Datejust Lady 31 & Oyster Perpetual Lady-Datejust © Rolex

This new 18 ct yellow gold version is beautifully enhanced by a dazzling bezel set with 48 brilliant-cut diamonds. Its new champagne colour dial is adorned with eight diamonds and, at 6 and 9 o'clock, 18 ct yellow gold Arabic numerals are each set with 16 rubies. The deliciously whimsical personality of this DATEJUST LADY 31 with all its allure of fine jewellery is paired with the technical qualities proper to every OYSTER.

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Oyster Perpetual Datejust Lady 31 © Rolex

Distinguished and highly elegant, the Oyster Perpetual LADY-DATEJUST unveils a new facet of its enticing femininity. The 18 ct yellow gold case of this gem for all occasions is exalted by a new champagne colour dial on which a large VI set with 11 rubies delicately and discreetly underlines the precious character of the model. The fluted bezel, a Rolex signature aesthetic feature, reasserts the watch's place in the lineage of the DATEJUST, an emblematic Rolex model which became renowned for its style and horological performance from the moment of its launch in 1945.

Rolex yellow gold
The 18 ct yellow gold of the case and bracelet of these two models is alloyed by Rolex in its own foundry before being shaped in the brand's workshops. Its unique lustre is the result of the extreme care with which it is shaped, machined and finally polished.

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Oyster Perpetual Lady-Datejust © Rolex

The OYSTER case, symbol of waterproofness
The OYSTER case of these two models (31 and 26 mm respectively), guaranteed waterproof to a depth of 100 metres (330 feet), is a paragon of proportion and elegance. The characteristically shaped middle case is crafted from a solid block of 18 ct gold. 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 high-precision movement.

Calibre 2235, a superlative chronometer
The DATEJUST LADY 31 and the LADY-DATEJUST are equipped with calibre 2235, a self-winding mechanical movement entirely developed and manufactured by Rolex. Like all PERPETUAL movements, the 2235 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.

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Oyster Perpetual Datejust Lady 31 © Rolex

Comfort, elegance and prestige of the OYSTER and PRESIDENT bracelets
The DATEJUST LADY 31 is fitted with an 18 ct yellow gold OYSTER bracelet with a concealed folding CROWNCLASP. Developed and patented by Rolex, this elegant solid-link bracelet offers remarkable comfort and ease of use. The LADY-DATEJUST model is fitted with an 18 ct yellow gold PRESIDENT bracelet with a concealed folding CROWNCLASP. This prestigious and elegant bracelet with solid semi-circular links is uniquely comfortable to wear and contributes fully to the aesthetics of the watch.



Technical datas

CASE

Type OYSTER (monobloc middle case, screw-down case back and winding crown)
Diameter DATEJUST LADY 31: 31 mm / LADY-DATEJUST: 26 mm
Material 18 ct yellow gold, polished finish
Case back Screw-down with Rolex fluting
Bezel DATEJUST LADY 31: Set with 48 brilliant-cut diamonds
LADY-DATEJUST: Fluted
Winding crown Screw-down, TWINLOCK double waterproofness system
Crystal Scratch-resistant synthetic sapphire
CYCLOPS lens (2.5 ×) over the date, double anti-reflective coating
Waterproofness 100 metres (330 feet)

MOVEMENT
Calibre 2235, Manufacture Rolex
Mechanical movement with bidirectional self-winding via PERPETUAL rotor
Precision Officially certified Swiss chronometer (COSC)
Functions Centre hour, minute and seconds hands
Instantaneous date at 3 o'clock with rapid setting
Stop-seconds for precise time setting
Oscillator Frequency: 28,800 beats/hour (4 Hz)
Hairspring with Breguet overcoil
Balance wheel with variable inertia
High-precision regulating via two gold MICROSTELLA nuts
Traversing balance bridge
Jewelling 31 rubies
Power reserve Approximately 48 hours

DIAL
Colour Champagne, sunray finish Hour markers
DATEJUST LADY 31: 8 diamonds in 18 ct yellow gold settings, large 6 and 9 in 18 ct yellow gold each set with 16 rubies
LADY-DATEJUST: Roman numerals in 18 ct yellow gold, large VI in 18 ct yellow gold set with 11 rubies
Hands 18 ct yellow gold

BRACELET
Type DATEJUST LADY 31: OYSTER, three-piece solid links
LADY-DATEJUST: PRESIDENT, three-piece solid links
Material 18 ct yellow gold, polished centre links, satin-finished outer links with polished edges
Clasp Concealed folding CROWNCLASP

REFERENCE
(case – bracelet)
Oyster Perpetual Datejust Lady 31 : 178288 – 73168
Oyster Perpetual Lady-Datejust : 179178 – 83138