A 1987 Rolex Day-Date 36, reference 18039, built in 18k white gold. 36mm case in good condition. The fluted bezel is white gold. The blue dial is lapis lazuli, with gold flecks in the stone and diamond hour markers. No Arabic or Roman numerals. Day is spelled out at 12. Date is at 3 under the Cyclops lens. Movement is automatic Rolex 3055 with a quickset date. About 42 hours of power reserve.
Sapphire crystal. 100 meters water resistance. The bracelet is the white-gold President, three semi-circular links and a hidden clasp. Men’s size, also worn as unisex. Functions are hours, minutes, seconds, day of the week, and date. Stone dials can show natural pits and color variation; that is the lapis, not damage to a painted dial. Not a steel Datejust and not a 40mm Day-Date. No box or papers.

