ROLEX Steel watch, "Oyster Perpetual DateJust" collection, reference 6917F, notched 18K (750‰) yellow gold bezel, round dial with blue background, applied baton hour markers, central second hand, date at 3 o'clock, self-winding mechanical movement (calibre 2030: signed and numbered), the back signed and referenced inside, case numbered: circa 1979/80. Steel and 18K (750‰) yellow gold bracelet (endlink 468) with articulated links, steel folding clasp signed. Case diameter: approx. 26 mm - Gross weight: 48.6 g In its wooden case with its guarantee (cut out with the buyer's name).