LUMINOX SERIES 3000 NAVY SEALS 43mm WATCH What you get is the round o-ring seal / gasket (x2) that you replace when you change the battery to keep dust and moisture out and ensure the watch stays water resistant.The rear case plate must be the one with 4 screws that hold it in place for this to be a compatable fit, not the screw cap style. If you have a series 3000 with 1″ x 1 3/8″ caseback flange this will fit , see photos with tape measurements photos of watches are for model style reference only YOU WILL RECEIVE two (2) o-ring gasket seals w/ install instructions sent same/next day WATCH MUST HAVE A 4 SCREW BACKPLATE MEASURING 1″ X 1 3/8″ ON FLANGES FOR THIS O-RING TO FIT (see photos)
LUMINOX CASEBACK O-RING NAVY SEAL 44MM COLORMARK 3051 3053 3055 3057 3159 3167
Luminox Navy Seal Colormark 44mm Case Back Gasket 2 Replacement O-ringsfor models 3050 3051 3053 3057 3159 3167to help keep that watch water and dust resistant.not sure about your watch, just message us, we are here to help!