 The ship's waterline armour belt ranged in thickness from 2 to 6 inches (51 to 152 mm) and was closed off by 5-inch (127 mm) transverse bulkheads. The armour of the gun turrets and their barbettes was 6 inches thick while the casemate armour was 5 inches thick. The protective deck armour ranged in thickness from 1 – 3 inches (25 – 76 mm) and the conning tower was protected by 12 inches (305 mm) of armour.
