Matériel du boîtier: Or jaune; Mouvement: Remontage automatique; Conditions: Jamais porté Année: 1990; Etat du lot: Sans certificat d'authenticité; Modèle: Day Date / President Prix devis Gmtbroker Référence: 18238 Manufacturer: Rolex Model Name/Number: Day-Date (President) 18238 Serial/Year: E - 1990 Grade: (What's This?) II Gender: Men's Movement / Features: Automatic 3155 movement w/ double Quickset feature, day and date wheels, scratch-resistant sapphire crystal, waterproof screw-down crown Case: 18k yellow gold (36mm) w/ fluted bezel Dial: Champagne Index w/ Tritium hands and lume plots w/ black chapter ring Bracelet: 18k yellow gold Presidential w/ concealed Crownclasp Box & Papers: Rolex box, booklet, and papers Comments: This certified pre-owned Rolex Day-Date comes with Bob's 3-day satisfaction guarantee and one year warranty Used Rolex Day-Date Presidential 18238 The Day-Date line officially debuted in 1956, offering the first watch to include both a day and date mechanism. In true Rolex fashion, this exquisite model saw many upgrades over the course of the next several decades, including the addition of ref. 18238. In 1988 Rolex began production on a then-new calibre 3155 perpetual movement for their line of Day-Date watches, which included a new Double Quickset function that allowed the wearer to adjust both the day and date apertures with a quick twist of the crown. This particular secondhand Rolex is powered by the calibre 3155 movement and also boasts a striking yellow gold finish, a standard 36mm Oyster case, and a Rolex Presidential bracelet, complete with semi-circu