How Is Water Resistance Tested for Dive Watches?

August 23, 2022 3 min read

Dive watches are tested for their water resistance by submerging them in a suitable vessel. The test aims to determine whether a watch can withstand overpressure (water pressure greater than the rated pressure). In this test, the watch's water resistance is measured by reducing the pressure to 0.3 bar within one minute, and then drying it using a rag. During the test, there was no sign of water intrusion or condensation. That's how they know for example, if there's possibility to dive with a 100m watch.

Suitable For Saturation Diving

Saturation diving is a type of underwater exploration that takes advantage of the body's natural saturation state. These divers live and work under water for weeks or even months at a time, only decompressing once during the entire process. Typically, this type of diving is used in the military or on construction sites where prolonged exposure is critical. It has a number of benefits, including reduced risk of decompression sickness and shorter overall diving time.

Saturation diving is a common method of working at the bottom of the ocean, typically near production or drilling platforms. It is often used for salvage work, and requires precise positioning of the bell during the dive. The diving team usually operates from a specialised dive support vessel or a suitable vessel of opportunity. A significant anchor pattern is used to guide the divers, but this can interfere with other anchoring spreads, so dynamic positioning must be reliable.

Suitable for Depths of at Least 200 Meters

The light that passes through the water only reaches a certain depth. The intensity of light in the water rapidly diminishes beyond this level. The water at depths of more than 1,000 meters is a twilight zone, and light penetrates the water at even less. Consequently, photosynthesis becomes impossible below this depth. The water is divided into three zones, which include the aphotic zone, the bathypelagic zone, and the abyssopelagic zone.

Generally, recreational divers don't dive more than 40 meters or 130 feet. Technical diving, on the other hand, requires specialized training, special gases, and extended decompression stops. In addition, many people who enjoy deep diving have no problem going that deep. However, if you want to dive to more than this, it is important to make sure that you have the proper equipment. You should always be aware of the depth restrictions when choosing a watch, and it is important to get the appropriate one. Learn about water resistancy determination.

Suitable for Prolonged Immersion in a Pool

In order to determine if a swimming pool is Suitable for Prolonged Immersion, facilities offering this service must have stringent infection control, maintenance, and cleaning protocols. Several of these protocols are described below. First, facilities should ensure that the water is at 59 degrees Celsius. Second, they must maintain personal protective equipment and monitor women and fetuses throughout the process. Third, they should follow strict protocols for disinfection.

Suitable for Wet Pressure Testing

The first step in the process is to ensure that your watch is suitable for wet pressure testing. This involves immersing it into a suitable pressure vessel, which is usually around 125% of its rated pressure/10 bar. Then you must slowly depressurize the chamber to zero pressure. Check your watch for bubbles - these are harmless bubbles of air trapped in the case gaps. If they occur, the watch is not suitable for wet pressure testing.

If your watch is stamped for 30 meters of water, it will not withstand activity in a swimming pool. It is also not suitable for diving under water, as the pressure inside the watch is much higher than the pressure found in ambient water. However, this doesn't mean that you can't use it in water, as long as it's waterproof and resistant to suffocating and other external factors. Is 100m watch good for scuba diving? Let's find out!

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