What are the differences between Seiko 'J' vs 'K' models?

What are the differences between Seiko 'J' vs 'K' models?

Seiko models that end with 'J' are Made in Japan. These watches normally have English/Arabic day display. 

While Seiko "K" models are assembled or cased elsewhere in Seiko factories in Asia using Japan made exported parts under the same management and quality control. These watches normally have English/Spanish day display.

There are exceptionally cases where these watches might have English/Arabic day display. 

There are no quality or functional difference between Seiko "J" or Seiko "K" models.

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