Re: Saltwater reel
Many manufacturers label their reels for saltwater or not. As Rip said it is primarily a function of the finish. Some finishes will corrode very quickly when exposed to a salt environment. As far as drags, sealed is good, but not necessary as has been proven by decades of drag-bar style cork drags over the past decades.
No mater what reel you get, do not assume that a saltwater approved reel is maintenance free. Rinse after every use, and I have a personal policy of removing the line and backing for a good rinse after every 7 consecutive days of use, or 2 weeks, which ever comes first. A good line spooling-despooling set-up is indespensible IMO.
There is no greater fan of fly fishing than the worm. ~Patrick F. McManus, Never Sniff a Gift Fish, 1979
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