35 mm: usually fits kids ages 0-10 months, up to approximately 3.5" wrist.
42 mm: usually fits kids ages 1-6 years, up to approximately 5" wrist.
35 mm: usually fits kids ages 0-10 months, up to approximately 3.5" wrist.
42 mm: usually fits kids ages 1-6 years, up to approximately 5" wrist.