Rolex, Datejust, reference 1603, vintage automatic steel watch. Steel case, black dial with date, fluted bezel, steel Oyster bracelet. Automatic movement with date display, original acrylic crystal. Even patina and slight wear consistent with the age of this vintage model. The Datejust 1603 is a classic vintage model much loved for its timeless simplicity. 36 mm (vertical) x 36 mm (horizontal). Generic box and certificate.