ROLEX Oyster Perpetual Day-Date II Ref 218398 BR – 83218 – New Model in 18 ct Yellow Gold Case with Diamond Set Bezel and Champagne Colour Dial

The majestic 18 ct yellow gold case of the DAY-DATE II originally launched in 2008 adopts a new champagne colour dial set with eight baguette-cut diamonds and two baguette-cut rubies at 6 o’clock and 9 o’clock. It also features a scintillating bezel set with 80 baguette-cut diamonds. The brilliance of precious stones and the glistening lustre of polished gold interact to give this bold and distinctive piece all the nobility it deserves.

The 18 ct yellow gold of the DAY-DATE II’s OYSTER case and the PRESIDENT bracelet 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.

The DAY-DATE II’s 41 mm OYSTER case, guaranteed waterproof to a depth of 100 metres (330 feet), is a paragon of 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 DAY-DATE II’s high-precision movement.

The DAY-DATE II is equipped with calibre 3156, a self-winding mechanical movement entirely developed and manufactured by Rolex. Like all PERPETUAL movements, the 3156 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.

This DAY-DATE II model is fitted with the PRESIDENT bracelet in 18 ct yellow gold with a concealed folding CROWNCLASP. This prestigious and elegant bracelet with solid semi-circular links provides unique comfort and contributes fully to the aesthetics of the watch.

Technical details
Model: ROLEX Oyster Perpetual Day-Date II
REFERENCE (CASE – BRACELET): 218398 BR – 83218

Case
Type: OYSTER (monobloc middle case, screw-down case back and winding crown)
Diameter: 41 mm
Material: 18 ct yellow gold, polished finish
Case back: Screw-down with Rolex fluting
Bezel: set with 80 baguette-cut diamonds
Winding crown: Screw-down, TWINLOCK double waterproofness system
Crystal: Scratch-resistant synthetic sapphire CYCLOPS lens (2.5 ×) over the date, double anti-reflective coating
Water proofness:  100 metres (330 feet)

Movement
Calibre 3156, 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 day and date in apertures, rapid setting
Stop-seconds for precise time setting

Oscillator
Frequency: 28,800 beats/hour (4 Hz)
Paramagnetic blue PARACHROM hairspring
Breguet overcoil
Large balance wheel with variable inertia
High-precision regulating via four gold MICROSTELLA nuts
Traversing Balance Bridge
High-performance PARAFLEX shock absorbers
Jewelling: 31 rubies
Power reserve: Approximately 48 hours

Dial
Colour: Champagne, sunray finish
Hour markers: 8 baguette-cut diamonds in 18 ct yellow gold settings
2 baguette-cut rubies in 18 ct yellow gold settings at 6 and 9 o’clock
Hands: 18 ct yellow gold

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

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