Kawaca

[1]: 320  Its name comes from the Sanskrit kawaca which means armor, cuirass, a type of chain mail, any kind of cover, corset, jacket.

[2]: 823 Petrus Josephus Zoetmulder, in his Old Javanese-English dictionary, defines kawaca as a chain mail, possibly shaped like a jacket, which is made of metal.

[3]: 78  In high Balinese language, kwaca or kuwaca is a general term for a jacket, although it used to mean armor in Old Javanese.

A member of the royal family is said to wear crown, padaka (collar, medallion, or breastplate), karambalangan (girdle or plastron) and use gold-plated armor even in battle.

In that story, it is said that Rudrayana sent a gift to king Bimbisara in the form of his famous cuirass which not only had miraculous powers but was also adorned with priceless gems.