1 Samuel 13:15

13:15 Then Samuel set out and went up from Gilgal to Gibeah in the territory of Benjamin. Saul mustered the army that remained with him; there were about six hundred men.

1 Samuel 17:7

17:7 The shaft of his spear was like a weaver’s beam, and the iron point of his spear weighed six hundred shekels. His shield bearer was walking before him.

1 Samuel 23:13

23:13 So David and his men, who numbered about six hundred, set out and left Keilah; they moved around from one place to another. When told that David had escaped from Keilah, Saul called a halt to his expedition.