MATHEY TISSOT. 18k white gold wristwatch, rectangular case, silver dial with indexes, bezel set with eighteen modern brilliant-cut diamonds weighing approximately 0.30 ct each, hammered ribbon link bracelet and clip clasp. Hand-wound mechanical movement. Signed on the dial and movement. French work of the 1950s. Estimated weight of diamonds : 5,4 cts Case size : 2,6 x 2,2 cm - Length : 16 cm - Gross weight : 63,7 g