Rolex Ref. 79163, a fine and attractive lady's two tone Datejust wristwatch, circa 2003, Manufacturer: Rolex, year: circa 2003, reference no.: 79163, case no.: Y 504'640, model name: lady Datejust, material: stainless steel and 18ct yellow gold, calibre: automatic, cal. 2235, 31 jewels, Bracelet/Strap: 18ct yellow gold and stainless steel Rolex Oyster bracelet no. 78243, end links stamped 490 B, max. Length 180 mm, Clasp/Buckle: stainless steel Rolex Oyster deployant clasp stamped 78243, dimensions: 26 mm diameter, signed: case, dial, movement, and clasp signed, accessories: Rolex guarantee, instruction manual, product literature, green cardholder, outer packaging and fitted presentation box, notes, the Rolex Datejust was initially released in 1945 to commemorate the firm's 40th anniversary., the model has since become an icon. The design and aesthetics of the Datejust have largely remained unchanged with modifications confined to the introduction of new sizes, materials, dials along with some upgrades in the movements., Widely patronised by important global figures, the Rolex Datejust is unquestionably one of the most important models manufactured by the firm.