Since it is in fact based off of the Song of Blades and Heroes system, you'd be right about that!
The game is a lot of fun, the miniatures are, for the most part, amazing, and they just introduced submarines for 3 of the factions in the recently concluded Kickstarter as discussed here:
https://www.dakkadakka.com/dakkaforum/posts/list/729227.page
Check it out - I don't think you'll be disappointed!