Ladies' jewelry watch 'Ariel' with 9 brilliant-cut diamonds and 21 octagonal diamonds

Ladies' jewelry watch 'Ariel' with 9 brilliant-cut diamonds and 21 single-cut diamonds totalling ca. 0.90 ct, central brilliant ca. 0.15 ct, ca. WHITE-STW (H-J)VS-P, 18K white gold, 25.5 g, L : ca. 17 cm, W: ca. 5.1 mm, case diameter: ca. 17.7 mm, around 1960s, minor signs of wear, hand-wound, clockwork in short term test functioning.