Question about Spigen Pixel Watch Case Rugged Armor Pro

The case with the manufacturer ID ACS04800 from Spigen is specially designed for the Google Pixel Watch 3 with a 41 mm diameter and does not fit the 45 mm version. There is another model for the Pixel Watch 3 45 mm, for example the Rugged Armor Pro with the ID ACS07599, which is designed specifically for the 45 mm version.