OPTIMA ladies' jewelry watch with diamonds weighing approx. 1 ct,

OPTIMA ladies jewel watch with brilliant-cut diamonds totalling ca. 1 ct, medium to good colour and clarity, watch face of malachite, 18K white gold, 47.4 g, L. ca. 17.5 cm, manual winding movement, working in short time test, 2nd half of 20th century, good condition, including original case.