This is a vintage Illinois Santa Fe Special private label pocket watch with a mechanical (manual) movement, 21 jewels, and a pocket watch size of 16. The watch has an open face closure and a screwback caseback. The yellow gold case finish is polished and made of gold-filled material. The watch features a mint old porcelain double sunk porcelain dial with a white dial color. The model is Model 9 Grade 806 and has a limited railroad grade approval. The watch was manufactured around 1916. The watch has many great features: Gold jewel settings, A Gold center wheel, Lever set, Double roller, Santa Fe marked case, A faint engraved train engine on lid, Adjusted to Temperature and positions. Please note: slight wear around lids and tiny dent on edge of back lid.