A pair of Waltham Watch Co pocket watches. A white or gold enameled dial with black Arabic numerals and hands. marked with a brand logo on the dials. The first watch is marked, Waltham Watch Co Mass, Ruby, and numbered 18129653. The second watch is marked, Waltham Mass, and numbered, 20629307, on the back inside. The case is marked, CWC Co Trade Mark, numbered 2327027. the second case is marked, Philadelphia Watch Case Co Silverode. Circa: the early 20th century. Antique and Vintage Gold and Silver Pocket Watches For Collectors.