Rolex Oyster Perpetual Day-Date 40 in Platinum with Ice-Blue Dial Men's Watch 228236-0012

SKU: 228236-0012

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Reference #: 228236
Bracelet reference: 83416 President
Category: Oyster Perpetual Classic

Case
Oyster (monobloc middle case, screw-down case back and winding crown)
Diameter: 40 mm
Material: 950 platinum
Middle case: 950 platinum, polished finish
Bezel: 950 platinum, fluted
Case back: 950 platinum, solid, screw-down with fine fluting
Winding crown: Twinlock in 950 platinum, screw-down, double waterproofness system
Crystal: Scratch-resistant sapphire with anti-reflective coating; Cyclops lens over the date with double anti-reflective coating
Waterproofness: 100 metres (330 feet)

Movement
Calibre 3255, Manufacture Rolex
Mechanical movement with bidirectional self-winding via Perpetual rotor
Precision: -2 /+2 sec./day, after casing
Oscillator Frequency: 28,800 beats/hour (4 Hz)
Paramagnetic blue Parachrom hairspring
Rolex overcoil
Large balance wheel with variable inertia
High-precision regulating via four gold
Microstella nuts
Traversing Balance Bridge
High-performance Paraflex shock absorbers
Escapement: Chronergy with optimized energy efficiency
Paramagnetic nickel-phosphorus pallet fork and escape wheel
Jewelling: 31 rubies
Power reserve: Approximately 70 hours

Functions
Centre hour, minute and seconds hands
Instantaneous day and date in apertures at 12 and 3 o’clock with secure rapid-setting
Stop-seconds for exact time setting

Dial
Ice blue, gloss, sunray finish
Faceted, deconstructed Roman numerals and faceted index hour markers in 18 ct white gold
Hands in 18 ct white gold, blue coating on the seconds hand via PVD (Physical Vapour Deposition)

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