Three lady's Art Deco diamond and sapphire wristwatches by Hatot

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Three lady's Art Deco diamond and sapphire wristwatches by Hatot
Each rectangular dial with Arabic numerals to a pierced geometric tonneau-shaped bezel set with single-cut diamonds and calibré-cut sapphires, to a black silk cord two-row bracelet, with French assay and maker's marks, circa 1925, 14.5cm., 15.2cm. and 16.5cm. long
With maker's mark for Léon Hatot, No. 61995 (3)