The Rolex Datejust 31 mm Steel & Yellow Gold Silver Diamond Dial Diamond Bezel Oyster Bracelet (ref. 278383rbr) is a ladies' dress watch with a 31 mm round case in stainless steel and yellow gold. The dial is protected by sapphire crystal.
It is powered by the self-winding mechanical calibre 2236 with a power reserve of up to 55 hours. Functions: Date. Water-resistant to 100 m. The watch is fitted with a Jubilee bracelet with a Crownclasp in steel and yellow gold.
