4 Waltham Open Face Pocket Watches. 1) Waltham Riverside railroad watch, porcelain dial with large hour numbers signed “Waltham – 21 Jewels”, large hands, sub seconds dial; size 16, movement, signed “Waltham, USA, Riverside”, 21j, adj. temp, SN. 30759253, functional stem wind & lever set, running. 10K rolled gold plate case signed “Waltham Premier, Keystone Victory” with engraved train on the back cover. 2) Beautiful porcelain dial signed “American Waltham, fancy pierced gold hands, sub seconds dial, size 18, full plate movement signed “American Waltham Watch Co.” has engraved plates, 15j, SN. 8961464, functional stem wind & set, running; gold filled open face case with engraved train on back cover. 3) Porcelain dial signed “Waltham”, black Roman hour numerals, red minute numbers, blued spade hands, sub seconds dial, size 18, engraved full plate movement signed “American Waltham Watch Co.”, 15j, SN. 8660237, functional stem wind & set, running; open face metal case signed “Defiance”. 4) Porcelain dial signed “Waltham”, black Roman hour numerals, sub 24 hour numbers, sub seconds dial, spade hands, size 18, full plate movement 15j, signed “American Waltham Watch Co.”, SN. 16424983, functional stem wind & set, running. Open face coin silver case signed “A.W.C.Co.”, has chips in beveled crystal. Weight: 16.9 oz.