Vacheron Constantin Ref 7391 an 18ct gold, diamond-set bracelet watch with tiger's eye dial circa 1975. Dial: tiger's eye, diamond-set hour markers. Calibre: cal. K1120 automatic winding, 36 jewels. Movement number: 667040. Case: cushion form, snap on case back. Case number: 499901. Closure: Vacheron Constantin integral 18ct gold textured bracelet and flip lock clasp. Dimensions: 31 x 28 mm, overall length approximately 190 mm. Signed: case, dial and movement. Accessories: none