[Plumps]

Yes it is the Nagato, or better said a set of the Nagato used for the movie Tora Tora Tora, they build a 1:1 waterline model of that ship
Here is a detailed drawing of the real ship.


Buildt at Kure Kaigun Kosho
Building begin: 28. August 1917
Launched: 9. November 1919
Completed: November 1920
Modified: 1936
Sunk 29. Juli 1946 during a atomic test Baker at Bikini Atoll

Length: 224,94 m after 1936
Width: 32,60 m after 1936
Displacement 9,50 m after 1936
Max. speed: pre 1936: 26,44 kn
after 1936: 25 kn