Dive watches are Before everything specialized instruments, here to generate your dive Harmless and preserve you alive. So definitely You will need a no-nonsense Software just like the LIV GX-DIVER on your own wrist, with its h2o resistance as many as 300 meters and unidirectional bezel to time dives accurately. https://walterw555wlu0.ssnblog.com/29507794/5-simple-statements-about-watches-explained