A Dive Watch FAQ

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A Dive Watch FAQ

Postby koimaster » June 30th 2017, 8:30am

How water resistant should a dive watch be?

Some manufacturers say that their watches with a water-resistance rating of 300 meters or more are suitable for recreational scuba diving. Others say the watch need have a rating of just 200 meters; still others say it can be 200 meters as long as it is specifically labeled as a dive watch. The International Standards Organization (ISO), on the other hand, stipulates that a dive watch must be water resistant to 100 meters.

All these depth ratings are significantly higher (or lower, if you will) than the depths to which a non-professional diver can dive. Recreational divers don’t go deeper than 40 meters (130 feet). Beyond that, they enter the realm of technical diving, which requires extensive training, special mixed gases to breathe, long decompression stops and special equipment.

The reason for the discrepancy: when tested for water resistance in the factory, the watch is in an artificial environment that is much different from what the watch will face during an actual dive. For the test, the watch is perfectly stationary, the gaskets brand new, and the case newly assembled, so that nothing will compromise its water resistance. The testing machinery does not account for such phenomena as additional pressure from the impact of the wearer’s jumping or diving into the water; or for temperature and pressure changes as the diver ascends and descends, which can cause the case to shrink or expand. Furthermore, a watch’s water resistance will be lessened by aging of the watch’s gaskets. Knocks and other rough treatment can cause the case’s components to fit together less tightly than they did when the watch was brand new. All these imponderables cause the companies to provide a rather large cushion of safety so that customers will not hold them responsible if their watches leak.

http://www.watchtime.com/featured/dive- ... 728bd6f117
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Re: A Dive Watch FAQ

Postby bedlam » June 30th 2017, 7:07pm

All these depth ratings are significantly higher (or lower, if you will) than the depths to which a non-professional diver can dive. Recreational divers don’t go deeper than 40 meters (130 feet). Beyond that, they enter the realm of technical diving, which requires extensive training, special mixed gases to breathe, long decompression stops and special equipment.

Every phrase of that paragraph is complete bullshit.

Then she goes on to talk about 'dynamic pressure' in the article. FFS

And its yet another article about dive watches in general...but only has pics of swiss dive watches.
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Re: A Dive Watch FAQ

Postby conjurer » July 1st 2017, 8:38am

bedlam wrote:
All these depth ratings are significantly higher (or lower, if you will) than the depths to which a non-professional diver can dive. Recreational divers don’t go deeper than 40 meters (130 feet). Beyond that, they enter the realm of technical diving, which requires extensive training, special mixed gases to breathe, long decompression stops and special equipment.

Every phrase of that paragraph is complete bullshit.

Then she goes on to talk about 'dynamic pressure' in the article. FFS

And its yet another article about dive watches in general...but only has pics of swiss dive watches.


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Re: A Dive Watch FAQ

Postby TemerityB » July 1st 2017, 5:51pm

bedlam wrote:
All these depth ratings are significantly higher (or lower, if you will) than the depths to which a non-professional diver can dive. Recreational divers don’t go deeper than 40 meters (130 feet). Beyond that, they enter the realm of technical diving, which requires extensive training, special mixed gases to breathe, long decompression stops and special equipment.

Every phrase of that paragraph is complete bullshit.

Then she goes on to talk about 'dynamic pressure' in the article. FFS

And its yet another article about dive watches in general...but only has pics of swiss dive watches.


Anyone in the watch industry that uses the phrase "If you will" is fulla the brown stuff.
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Re: A Dive Watch FAQ

Postby bedlam » July 1st 2017, 6:52pm

TemerityB wrote:
bedlam wrote:
All these depth ratings are significantly higher (or lower, if you will) than the depths to which a non-professional diver can dive. Recreational divers don’t go deeper than 40 meters (130 feet). Beyond that, they enter the realm of technical diving, which requires extensive training, special mixed gases to breathe, long decompression stops and special equipment.

Every phrase of that paragraph is complete bullshit.

Then she goes on to talk about 'dynamic pressure' in the article. FFS

And its yet another article about dive watches in general...but only has pics of swiss dive watches.


Anyone in the watch industry that uses the phrase "If you will" is fulla the brown stuff.

True.

I posted comment after the article just clarifying the errors throughout. 2 days later the comment still hasn't been approved.

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