The Rolex Datejust 31 (Ref. 178274) featuring the Black "Computer" Dial with factory diamonds is a distinctive mid-size luxury watch that combines industrial precision with high-end jewelry. This "Computer" dial—also known as the Jubilee Dial—is characterized by a repetitive "ROLEX" pattern engraved across the surface.

• ΚΑΣΑ: 31mm "Midsize" or "Boy Size" crafted from Oystersteel.

• Bezel: Iconic 18k white gold fluted bezel.

• Καντράν: Black Computer/Jubilee pattern with 10 factory-set diamond hour markers.

• Μηχανισμός: Rolex Caliber 2235, a self-winding mechanical movement with a ~48-hour power reserve.

• Water Resistance: Rated up to 100 meters (330 feet).

• ΜΠΡΑΣΕΛΕ: Typically paired with either a Jubilee or Oyster bracelet, often featuring a concealed folding Crownclasp on older production models.