Eighteen karat yellow gold open face pocket watch. 3/0 size (12 3/8 lignes), the inner lid stamped: 18K HW 16431 for Hayden & Wheeler Co. New York. The interior of the outer lid is stamped: 18K 16431.The white porcelain dial is marked in black: J.E. Caldwell, with black artistic Arabic numerals and black minute and sub second registers. The watch has yellow gold Breuget hands. The manual stem wind 17 jewel movement is marked: Vacheron & Constantin Swiss 399495 J.E. Caldwell Philadelphia. Circa 1907. The case is plain with no decoration. SERIOUS OFFERS CONSIDERED. 01/18/17: I have added photos that show the watch in more detail. ****Payment should be made through PAYPAL FRIENDS AND FAMILY option to avoid any fees on my end.****