60.0mm expands to 70.0mm internal diameter
Average weight 6.3 grams Metal: Silver <-- Split -->Diameter 60.3 – 70.7mm. Width 4.2mm 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.
