This is a beautiful antique Waltham P.S. Bartlett railroad pocket watch produced in 1918. It is fully functional and keeps time. This is model 1883. Its movement is marked with serial number 22018404, 17 jewels and P.S. Bartlett Waltham, Mass. Case is heavy, gold filled and marked with serial X93944. Back cover is marked "AE, Gold Filled, 1698944". Dial is in excellent condition and shows no cracks. Case has no bumps, back cover shows wear but ornaments are still visible.