Beautiful 18K case and P. Bartlett, Hamilton size 10s, with 13 jewels. No scratches, keeps perfect time, Case serial # 12885 and movement serial# 110379.Model 1861, and made sometime in February of 1864. The item "18K Hamilton Keyback gold Pocket Watch 10s P. Bartlett Works 13Jewel" is in sale since Friday, October 19, 2018. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Pocket Watches\Antique". The seller is "dawngonedogs" and is located in Carmel Valley, California. This item can be shipped to United States.