Datejust Just Specs Ladies Watches Rolex

Lady-Datejust 279173

Lady-Datejust 279173

CATEGORYOyster Perpetual Classic
CertificationSuperlative Chronometer (COSC + Rolex certification after casing), international five-year guarantee
CaseOyster (monobloc middle case, screw-down case back and winding crown)
MaterialOystersteel and 18 ct yellow gold (yellow Rolesor)
Middle CaseOystersteel, polished finish
Bezel18 ct yellow gold, fluted
Case backSolid, screw down with fine fluting
Winding CrownScrew-down; Twinlock double waterproofness system
CrystalScratch-resistant sapphire
Cyclops lens over the date with double anti-reflective coating
Waterproofness100 metres (330 feet)
Calibre2236, Manufacture Rolex
Mechanical movement with bidirectional self-winding via Perpetual rotor
Precision-2/+2 sec./day, after casing
FunctionsCentre hour, minute and seconds hands
Instantaneous date at 3 o’clock with secure rapid-setting
Stop-seconds for exact time setting
OscillatorFrequency: 28,800 beats/hour (4Hz)
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
EscapementParamagnetic nickel-phosphorus pallet fork and escape wheel
Jewelling31 rubies
Power ReserveApproximately 55 hours
ColourChampagne-colour, gloss, sunray finish
Hour Markers10 diamonds in 18 ct yellow gold settings
Hands18 ct yellow gold
TypeJubilee, five-piece solid links
MaterialPolished centre links in 18 ct yellow gold, satin-finished outer links in Oystersteel with polished edges (yellow Rolesor)
ClaspConcealed folding Crownclasp

Featured image ©Rolex

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