Antique 0S Illinois Guilloche & Flowers Hunter Pocket Watch Case Gold Filled. Item: Pocket Watch Case Brand: Illinois Model: Guilloche & Flowers Case Material: Gold Filled Gender: Men’s. Inside Diameter: 30mmmm Outside Diameter: 35.5mmmm. Fair, overall condition for its age. There are scratches on the case. There are scratches on the crystal. The crown is worn. The hunter lid functions correctly.