 The ship 's main battery consisted of four 10 @-@ inch ( 254 mm ) guns mounted in two twin @-@ gun turrets , one forward and one aft of the superstructure . The secondary armament consisted of eleven Canet 6 @-@ inch ( 152 mm ) quick @-@ firing ( QF ) guns , mounted in casemates on the sides of the hull and in the bow , underneath the forecastle . Several smaller guns were carried for defense against torpedo boats . These included twenty 75 @-@ millimeter ( 3 @.@ 0 in ) QF guns , twenty 47 @-@ millimeter ( 1 @.@ 9 in ) Hotchkiss guns and eight 37 @-@ millimeter ( 1 @.@ 5 in ) guns . She was also armed with five 15 @-@ inch ( 381 mm ) torpedo tubes , three above water and two submerged . The ship carried 45 mines to be used to protect her anchorage . Peresvet 's waterline armor belt consisted of Harvey armor and was 4 – 9 inches ( 102 – 229 mm ) thick . The Krupp cemented armor of her gun turrets had a maximum thickness of 9 inches ( 229 mm ) and her deck ranged from 2 to 3 inches ( 51 to 76 mm ) in thickness . 
