Brand: Rolex

Series: Oyster Perpetual Datejust (Ladies')

Model: 279139RBR

Gender: Women's Watch

Case and Materials

Case Diameter: 28 mm

Case Material: 18K White Gold

Bezel: Diamond-set white gold bezel

Crystal: Sapphire crystal (scratch-resistant, anti-reflective)

Water Resistance: Approx. 100 meters (10 ATM)

Dial and Hour Markers

Dial Color: Commonly dark chocolate/chocolate (actual versions may vary slightly)

Hour Markers: Exquisite diamond hour markers (some markers are diamond-set)

Date Display: 3 o'clock position, with Cyclops magnifier

Movement and Performance

Movement Type: Rolex in-house automatic mechanical movement

Movement Number: Cal. 2236 (with Rolex's patented Syloxi silicon hairspring)

Power Reserve: Approx. 55+ hours

Accuracy: Daily deviation within the Rolex Official Chronometer Testing Institute (COSC) standard

Bracelet and Wearing

Bracelet Style: President bracelet or classic Oyster bracelet (subject to actual version)

Clasp: Concealed Crownfolding clasp for a more harmonious and comfortable fit