Sunday, March 29, 2015

Rolex Oyster Perpetual Lady-Datejust 28

Rolex is introducing the new generation of its Oyster Perpetual Lady-Datejust model, featuring a redesigned case enlarged to 28 mm and Calibre 2236, a mechanical movement fitted with a Rolex-patented Syloxi hairspring in silicon for superlative chronometric performance. Its precision on the wrist satisfies criteria that are twice as exacting as those for an officially certified chronometer.

The new Lady-Datejust is a perfect complement to the new Day-Date introduced this year, and follows a similar aesthetic evolution: refined lugs and middle case, a broad and clear dial, as well as a President or Jubilee bracelet closely integrated into the Oyster case. The new Lady-Datejust is offered in 950 platinum or in 18 ct yellow or Everose gold with new dials, veritable signatures of its renewal.
The new Lady-Datejust stands out for its elaborate new dials, a singular combination of high- technology and traditional know-how. The unique colour effect on some dials is created in a dual process by printing a very fine motif on a traditional sunray finish. New, gem-set hour markers enhance the elegance and femininity of this exquisite model. These new watch faces demonstrate Rolex’s unique expertise in the art of dial making, and are exclusive to the new Lady-Datejust.
The 18 ct gold of Rolex watches shines with a special radiance. This is due to the high-purity alloys created by the brand in its own foundry and the meticulous care with which they are cast before being formed, machined and polished in its workshops. Everose, an exclusive pink gold alloy patented by Rolex, owes its unique colour to its special composition that preserves the pink colour over time.
The new Lady-Datejust is equipped with calibre 2236, a new-generation self-winding mechanical movement entirely developed and manufactured by Rolex. Equipped with the Syloxi hairspring in silicon patented by Rolex, it offers a superlative level of chronometric performance, unparalleled on a ladies’ watch. Certified as a Swiss chronometer by COSC (Swiss Official Chronometer Testing Institute), it is tested a second time by Rolex after being cased to ensure that in everyday use it satisfies Rolex’s criteria for precision, which are twice as exacting as those for an officially certified chronometer. This control of the final precision of the assembled watch is carried out using a methodology and high-technology equipment specially developed by Rolex.
The Lady-Datejust’s Oyster case, guaranteed waterproof to a depth of 100 metres (330 feet), is  a  paragon of robustness, proportion and elegance. The characteristically shaped middle case is crafted from a solid block of 950 platinum or 18 ct gold. The fluted case back is hermetically screwed down with a special tool that allows only Rolex watchmakers to access the movement. The winding crown, fitted with the Twinlock double water proofness 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 sapphire. The waterproof Oyster case provides optimal protection for the Lady Datejust’s high-precision movement.

The new Lady-Datejust is offered on a prestigious President bracelet identical to that of the Day-Date, or on an elegant Jubilee bracelet with a redesigned profile. Both of these solid gold or platinum bracelets benefit from the new concealed attachment beneath the bezel which ensures seamless visual continuity between the bracelet and case. A new-generation concealed Crown-clasp, opened with a hinged Rolex crown, adds the final aesthetic and functional touch to these sumptuous bracelets.

Technical details

Movement
Calibre 2236, Manufacture Rolex
Mechanical movement with bidirectional self-winding via Perpetual rotor
Superlative Chronometer: official COSC certificate + Rolex chronometer tests
Jewelling: 31 rubies
Power reserve: Approximately 55 hours

Oscillator
- Frequency: 28,800 beats/hour (4 Hz)
- Syloxi hairspring in silicon with patented geometry
- Balance wheel with variable inertia
- High-precision regulating via two gold Microstella nuts
- Traversing Balance Bridge
- High-performance Paraflex shock absorbers

Functions
Centre hour, minute and seconds hands
Instantaneous date at 3 o’clock with rapid-setting
Stop-seconds for precise time setting

Oyster Perpetual Lady-Datejust 28, Everose gold
Reference (case – bracelet): 279135 RBR– 83345
Case
Oyster (monobloc middle case, screw-down case back and winding crown)
Diameter: 28 mm
Material: 18 ct Everose gold, polished finish
Bezel: Set with 44 brilliant-cut diamonds
Case back: Screw-down with Rolex fluting
Winding crown: Screw-down, Twinlock double water-proofness system
Crystal: Scratch-resistant sapphire; Cyclops lens over the date, double anti-reflective coating
Water-proofness: 100 metres (330 feet)

Dial
Chocolate, sunray finish
Hour markers: 9 diamonds in 18 ct pink gold “star” settings, IX in 18 ct pink gold set with 8 diamonds
Hands: 18 ct pink gold

Bracelet
President, three-piece solid links
18 ct Everose gold, polished centre links, satin-finished outer links with polished edges, ceramic inserts
Concealed folding Crown-clasp

Oyster Perpetual Lady-Datejust 28, Platinum
Reference (case – bracelet): 279166 – 83346
Case
Oyster (monobloc middle case, screw-down case back and winding crown)
Diameter: 28 mm
950 platinum, polished finish
Bezel: Domed
Case back: Screw-down with Rolex fluting
Winding Crown: Screw-down, Twinlock double water-proofness system
Crystal: Scratch-resistant sapphire; Cyclops lens over the date, double anti-reflective coating
Water-proofness: 100 metres (330 feet)

Dial
Silver, sunray finish
Hour markers: 9 diamonds in 18 ct white gold “star” settings, IX in 18 ct white gold set with 8 diamonds
Hands: 18 ct white gold

Bracelet
President, three-piece solid links
950 platinum, polished centre links, satin-finished outer links with polished edges, ceramic inserts
Concealed folding Crownclasp

Oyster Perpetual Lady-Datejust 28, Yellow Gold
Reference (case – bracelet): 279178 – 63348
Case
Oyster (monobloc middle case, screw-down case back and winding crown)
Diameter: 28 mm
Material: 18 ct yellow gold, polished finish
Bezel: Fluted
Case back: Screw-down with Rolex fluting
Winding crown: Screw-down, Twinlock double water-proofness system
Crystal: Scratch-resistant sapphire
Cyclops lens over the date, double anti-reflective coating
Water-proofness: 100 metres (330 feet)

Dial
Silver, sunray finish
Hour markers: 18 ct yellow gold appliques, Chromalight
Hands: 18 ct yellow gold, Chromalight

Bracelet
Jubilee, five-piece solid links
18 ct yellow gold, polished centre links, satin-finished outer links with polished edges
Concealed folding Crown-clasp

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