They will fit most dive watches with a 38mm bezel insert (Rolex Submariner, Seiko SKX007, SKX009 etc). These are 38mm adhesive rings that are used to fix a bezel to a case.
38mm Bezel Inserts Adhesive Rings for SEIKO Diameters - External 38 Inner 30.5mm
38mm Ceramic Bezel Inserts Yacht Master Style Watch Ring For SKX007 SKX009
38mm Ceramic Bezel Inserts Yacht Master Style For Diver SKX007 SKX009 SKX011 h
Watch Bezel Insert Tape Bezel Insert Adhesive Heat Resistant 38mm 40mm 41.5mm
5x 38mm Double Sided Adhesive Ring For Bezel Insert SEIKO and More see desc
Rolex 16700/16710/16760 Bezel inserts - 3x Black 1x Coke
