CRAFTER BLUE CB05 Watch Band with Round Lug Quick Release Soft Rubber Band Replacement for Seiko Skx Series SKX007, SKX009, SKX011 etc and 5 Sports Series: SRPD51K1, SRPD53k1, SRPD55K1 etc., Rubber :
Islander 20mm Black Rubber Dive Strap for Seiko SKX013 and 38mm Islander Divers #BRAC-18