Average weight 19.5 grams Metal: Silver <-- Split -->Diameter 46.1 x 58.8mm. Width of widest point 16.0mm. Thinne st point 9.0mm Width is width of thickest point along the band, unless stated otherwise. <-- Slit --> Hallmarking Guide: Sterling Silver less than 7.78g not stamped but has a 925 mark. More than 7.78g stamped.