ROLEX REF. 6284 TWO AMERICAS CLOISONNE DIAL BY MARGUERITE KOCH.Rolex, Oyster Perpetual, case No. 841835, Ref. 6284. Made in only six examples circa 1950..Exceptionally rare and fine, self-winding, water-resistant, 18K yellow gold wristwatch with cloisonn_
C. Two-body, solid, polished and brushed, screwed-down case back and crown, polished inclined bezel, concave lugs..D. By Stern Frères, cloisonné enamel on gold with counter enamel, No. 103*626, by Marguerite Koch, representing a map of.the Two Americas on a black background, with applied faceted yellow gold indexes, outer minute/seconds dot divisions on the.brushed outer ring. Yellow gold alpha hands..M. Cal. 9 3/4''', rhodium-plated, 18 jewels, straight-line lever escapement, monometallic balance, shock absorber, selfcompensating.Breguet balance spring..Dial, case and movement signed. Back of the dial numbered. Diam. 34 mm. Thickness 13 mm.