Bracelet watch in 850 mm platinum and 18k white gold, rectangular case set with old-cut diamonds, two of which weigh approx. 0.20 ct, square silvered dial applied with hour-markers, articulated bracelet continuing the composition of the case set with old-cut diamonds, extended by a second part with flexible amati mesh, clip clasp. Hand-wound mechanical movement. Signed SIGMA on the movement. Caseback no. 88850 and movement no. 1017. Art Deco period case. Estimated total diamond weight: 3.10 ct Case size: 2.2 x 1.4 cm - Length: 17 to 17.5 cm Gross weight: 32.6 g