Simply take a look at your JKA Seal background colours to check.
Logos from Kendama.de.
JKA approved Kendamas are built in accordance to Model JKA 16-2 in the measurements of the Ken, Cups, Balls and String, also guaranteeing the highest degree of accuracy in manufacturing and consistency in quality.
To date, we only have the TK16s & Ozoras here in Malaysia. More models with new colours will be introduced in the future.
So, watch out for these!