The below chart shows a full comparison between each countries sizing structures. Opes Robur rings follow this guide & are true to size.
The below chart shows a guide to each different chain length. The model pictures is 5ft 7in and weighs 72kg. All Opes Robur necklaces come with a 5cm extension chain to allow for a perfect fitment.
Take a piece of string or shoe lace and measure around the wrist in the section between the hand and wrist bone (where the bracelet would normally sit) lay this string out alongside a ruler to get your wrist circumference.
All Opes Robur fixed size bracelets & bangles will fit wrists with a circumference of 16cm up to 20.8cm .
All Opes Robur chain & rope bracelets offer various sizes, we recommend picking true to size (the measurement of the wrist) or 1-2cm larger.