First, the origins are different.
1, JK: JK is a military uniform designed by Prussian army in Meiji period, and later changed to a student uniform.
2. Sailor's clothing: As early as 1920, Ping 'an Women's College had a regulation to wear similar sailor's clothing.
Second, the ribbon has different forms.
1, JK: JK will have a belt on the front of the clothes in the form of a button.
2, sailor suit: sailor suit will have a collar made of ribbon on the front of the clothes, and the ribbon is in the form of a tie.
Third, the composition is different.
1, JK: JK has vest skirt, summer clothes, middle clothes, waistcoats, suits, coats, winter clothes, cardigans, sweaters, shirts and so on.
2. Sailor's clothing: Sailor's clothing consists of shirts, ties and jackets, but most of the lower body wears tweed skirts or trousers.