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The Water-Proof Myth

Water-Proof vs. Water-Resistant

This is probably one of the most confusing technical concepts. It is also one of the most asked questions. Here we have a handy comparison chart for your reference:

Water-Proof Water-Resistant
This term does not really exist The correct term in watch industry
No watch is fully 100% waterproof, even the most luxurious and expensive watches in the world Watches can often be water resistant
Means the ability to completely exclude the possibility of water entering into any working portion of a watch Describes the level of protection a watch has from water damage
It is illegal for manufacturers to mark their watches as water-proof It is legal for manufacturers to mark their watches as water-resistant

Water-Resistant Explained

The term 'water-resistant' can sometimes be quite confusing itself.

Here's how to read the water-resistant labels:

Water-Resistant
Wording Meaning You Can NOT Notes
Simply says water-resistant Can handle light moisture or slight splashes Showering Swimming Diving Submerging in water Basically means splash proof only
Says water-resistant 50 metres Can be immersed in water to a shallow degree only Diving to any depth at all 50 metres means static water pressure, not actual depth
Says water-resistant 100 metres Can be used when swimming and shallow diving Deep diving Jumping into pool 100 metres means static water pressure, not actual depth
Says water-resistant 200 metres Can be used when diving Deep sea diving 200 metres means static water pressure, not actual depth
Says water-resistant 300 metres an be used when scuba diving to a depth of 30 metres for up to 2 hours Dive deeper or longer than that 300 metres means static water pressure, not actual depth
Says water-resistant 500 metres Can be used when scuba diving to a depth of 50 metres for up to 2 hours Dive deeper or longer than that 500 metres means static water pressure, not actual depth

 

Labelled / Unlabelled as Water-Resistant

Some watches are labelled as such and some are unlabelled.

Both are fine and legal. It is the manufacturer’s choice. They will often consider elements like design and style when making such a decision.

You may find out about a watch’s water-resistant level by looking at the guides, specifications, photos, or indeed, by asking the dealer.

Water-Resistant Tips

1.    Avoid heat. Do not submerge even the highest-rated water-resistant watch in a hot tub or take it into a sauna.
2.    Avoid salt water. After swimming or diving in salt water, rinse the watch in a stream of fresh water immediately.
3.    Do not expose your watch to extreme changes of temperature.
4.    Do not press buttons underwater.
5.    Always keep the screw-down crown tightly locked if you have one.

About J.Bull Watches

All our watches are water resistant.

The water-resistant level is equivalent to 30 metres or 3 ATM/Bars. This means good splash proof standard and is professionally recognised as sufficient for daily use. It shall withstand splashes, light rain and other very light moisture level.