J.E. Dufour & Co. pocket watch

J.E. Dufour & Co., a gold, enamel and diamond pocket watch, early 20th century, the white enamelled dial with a double row of Roman and Arabic numeral indicators in black and red enamel, with gold scrollwork hands, the reverse applied with red guilloché enamel with the initials FCB set with rose-cut diamonds, length 4.9cm including suspension loop, interior signed JE Dufour & Co., and E.Wirth Succ., Genève, numbered 14926