Antique 0 Size Fahys Scalloped & Guilloche Hunter Pocket Watch Case Gold Filled. Item: Pocket Watch Case Brand: Fahys Model: Scalloped & Guilloche Case Material: Gold Filled Gender: Men’s. Inside Diameter: 30.1mm Outside Diameter: 37.4mm. Ok, overall condition for its age. There is plating wear through and scratches on the case. It is missing the crystal. The crown is worn.