Rolex, Oyster, 1920's. Interesting, "carré galbé", water-resistant, 9K yellow gold gentleman's wristwatch. three body, massive, polished, screwed case back, crown and bezel. white and beige with painted Arabic numerals, auxiliary seconds dial. "Alpha" blued steel hands. Notes Similar watches are published in Collezionare Orologi da Polso Rolex, New Edition, by Osvaldo Patrizzi, Guido Mondani Editore, Genova, p. 84.