Verses with the word breastplate in the Apocrypha (4 verses):
Wisdom of Solomon 5:18
He shall put on righteousness as a breastplate, and true judgment instead of an helmet.
When the cold north wind bloweth, and the water is congealed into ice, it abideth upon every gathering together of water, and clotheth the water as with a breastplate.
With an holy garment, with gold, and blue silk, and purple, the work of the embroiderer, with a breastplate of judgment, and with Urim and Thummim;
1 Maccabees 3:3
So he gat his people great honour, and put on a breastplate as a giant, and girt his warlike harness about him, and he made battles, protecting the host with his sword.