The third-placed side faces league leaders Queens Park at Kingsbridge Reserve in Butler on Sunday.
Local artist and Seahawks player Richard Websdale designed the guernsey with input from indigenous teammates Scott Chisholm, of Fremantle Dockers and Melbourne Demons fame, and Alan Sambo.
The Seahawks have had 21 indigenous players across the seniors and reserves in 2017.
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READ NOWWebsdale also designed game day balls, which will be awarded to the best on ground in each match.
The Naidoc ceremony begins at 2.30pm in the lead-up to the league match.