I have a feeling that it's a deco diamond watch kinda Christmas. There are at least two of them in my long-deceased grandmother's safety deposit box. ~ETS (Art Deco Lady's Platinum and Diamond Wristwatch, Gruen)
Cartier Lady's Platinum, Diamond and Onyx Art Deco Watch
Lady's platinum Art Deco black onyx and diamond watch, the oval dial with a pave-set diamond surround stirrup link shoulders on a single line onyx and diamond bracelet, deployant clasp, mounted in platinum, signed and numbered 4019
LADY'S SAPPHIRE AND DIAMOND WRISTWATCH, CARTIER. The hexagonal dial framed by calibré-cut sapphires and brilliant-cut diamonds to silk straps, inner circumference approximately signed Cartier and numbered, case stamped Cartier.
1920 Hamilton Lady’s Art Deco Platinum and Diamond Bracelet Watch. Circa A lovely platinum and diamond Hamilton watch from the Art Deco era (circa The band of the watch is made of platinum links which are encrusted with diamonds.
Cartier Art Deco Diamond and Platinum Wrist Watch, An exceptional French Art Deco platinum and 18 karat gold watch with diamonds by Cartier. The watch has 117 rose-cut diamonds. The deployment clasp is 18 karat gold set with diamonds on a silk strap.
Cartier ~ Circa 1920 Art Deco diamond set lady's turtle wristwatch Paris: the tortoise shaped silvered dial with black Roman numerals, rose diamond set bezel and winder, the shaped rectangular shoulders pierced and millegrain set with rose diamonds, mount