Case material: Yellow gold; Charge: Automatic; Conditions: Never worn Year : 1991; Presentation condition : Without documents; Price on request Gmtbroker Reference: nessuna Manufacturer: Rolex Model: Day-Date (President)  18238 Serial/Year: N 1991/1992 Grade: (What's This?) II Gender: Men's Features: Automatic 3155 movement w/ day-date, scratch resistant sapphire crystal, waterproof screw-down crown Case: 18k yellow gold w/ fluted bezel (36mm) Dial: White Roman Bracelet: 18k yellow gold Presidential w/ hidden clasp Box & Papers: Original Rolex box, booklets, hang tags, polishing cloth, and Bob's certificate of authenticity  Comments: This pre-owned Rolex Day-Date comes with Bob's 3-day satisfaction guarantee and one year warranty Rolex Presidential 18238