rapidboy1,

Seals available from ( for fleabay in the links below, please substitute real name ):

Nikkonos 600/601 https://www.fleabay.co.uk/itm/334608...Bk9SR9633cGHYQ


602/603 https://www.fleabay.co.uk/itm/374326...Bk9SR5jS2MGHYQ


Foest
600/601 https://foest.eu/index.php?main_page...products_id=34

602/603 https://foest.eu/index.php?main_page...products_id=35

Have fun

Best regards

Russ