Analog, White dial, Gold-tone hands, Roman numeral hour markers, Minute markers around outer rim, Date display at the 3 o'clock position, 18kt yellow gold case with ceramic bezel inserts (bezel is fixed and fluted), 18kt yellow gold president bracelet, Sapphire crystal resistant to scratches, Screw-down crown for water resistance testing, Solid case back, Round case shape measuring 40 mm in width or diameter. Automatic mechanical movement Caliber 3255 based on 3035 with 31 jewels and a power reserve of approximately 70 hours (operating at 28,800 vph), Water resistant up to 100 meters / 330 feet
![Rolex Datejust 31 Black Mother of Pearl Diamond Ladies 18kt Yellow Gold Oyster Watch, Ref. No: [Article Number]](https://cdn.lepodium.net/images/000/091/91588-2.jpg)
