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Re: Omega Speedmaster, How water resistant is it?

In Response To: Omega Speedmaster, How water resistant is it? ()

I'm no expert like many who post here, but maybe I can give you a practical answer.

Always divide the the rating by a third;

a 10m water resistant is worthless for swimming or showing, and even rain or washing water should be dried off as quickly as possible.

a 30m water resistant is fine for showering, swimming, and snorkeling, but you will need to replace the gaskets and get the watch resealed every 5-6 years. When you have the battery replaced every 2 years, be sure to pick a jeweler with the proper pressure test housing. I'd rather pay an Omega dealer $20 to do the battery and pressure test, then some local shmo $5, only to find my sapphire clouding up a month later.

a 100m is needed for scuba diving where most use them with a dive computer. That's why most 100m watches have big broad dials and numerals as it's kind of hard to see them otherwise while exploring a shipwreck 30m down.

Generally only professional divers go more than 50m down, as this kind of diving requires experience with gas mixture and gradual ascent. Divers of that caliber buy watches by word of mouth or see what has survived on their dive mates wrist.