Size chart

 Size Strap dimension - short part
Strap dimension - long part
Suits wrist sizes
Short
70mm (2.8")
105mm (4.1")

150mm - 168 mm (5.9"-6.6")

Medium
75mm (3.0")
118mm (4.6")
168mm - 188mm (6.6"-7.4")
Long
85mm (3.3")
128mm (5.0")
188mm - 226mm (7.4"-8.8")