Baume & Mercier, a lady's 18ct gold wristwatch, 1970s, the cushion-shaped dial of deep blue

Baume & Mercier, a lady's 18ct gold wristwatch, 1970s, the cushion-shaped dial of deep blue enamel with gold hands, to a polished gold bezel and a bracelet composed of rounded rectangular hoop links, mounted in 18ct gold, case width 2.6cm excluding winder, bracelet length 17cm, manual winding movement, dial, case back and movement signed Baume & Mercier, case back numbered 419710 and 37058, Swiss assay marks and stamped 750 for 18ct gold, gross weight 81 grams