An Art Deco onyx and diamond lapel watch
The rectangular dial with Arabic numerals and blued steel hands, the case back set with a domed black onyx, centrally-set with four old rectangular-cut diamonds within a single-cut diamond border, the mesh suspension with old brilliant-cut diamond bar spacers and circlet surmount, mechanical movement, circa 1930, case 16mm wide
An Art Deco onyx and diamond lapel watch
The rectangular dial with Arabic numerals and blued steel hands, the case back set with a domed black onyx, centrally-set with four old rectangular-cut diamonds within a single-cut diamond border, the mesh suspension with old brilliant-cut diamond bar spacers and circlet surmount, mechanical movement, circa 1930, case 16mm wide
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