The P.S. Bartlett grade of the American Waltham Watch Co. offered a higher-quality movement with jeweled adjustments, often ordered by private-label jewelers. This example was retailed by Anna L. Silveira, San Francisco, one of the few documented female jewelers of the early 20th century. The case is gold-filled, pair-case style with screw-off bezel and back, 16 size.The movement is a stem-wind, lever-set P.S. Bartlett, nickel-finished with damascene decoration, 17 jewels, adjusted, safety pinion, numbered 22130819. The dial is porcelain with Roman numerals, subsidiary seconds, sky-blue central panel with gilt star-and-scroll decoration, and ornate gilt hands, signed Anna L. Silveira, San Francisco.Pickup & Shipping: Free Sacramento pickup. Shipping via FedEx within the continental U.S. for $50 + 1.5% insurance (unless waived in writing). Combined lot shipping available. Currently running but untested for accuracy. Case with wear and light surface marks. Dial clean with minor wear. Minute hand broken off at stem. Overall a collectible California private-label P.S. Bartlett Waltham with decorative enamel dial.