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Diving Watches
Diving watches are a type of watch that is designed to withstand extreme water pressure. They are typically made of robust materials, such as stainless steel or titanium, and have a water resistance of at least 100 meters. Diving watches have a range of features that make them suitable for diving, including a rotating bezel to track dive time, a bright dial, and a chronograph to measure short intervals underwater.
History
The first diving watches were made in the early 1900s. The first commercially available diving watch was the Rolex Oyster Perpetual, which was released in 1926. The Rolex Oyster was water resistant to 100 meters, which was a revolutionary achievement at the time.
During World War II, diving watches were used by submarine crews and divers in special forces. After the war, diving watches became increasingly popular among recreational divers.
Features
Diving watches have a range of features that make them suitable for diving. These features include:
- Water resistance: Diving watches are designed to withstand extreme water pressure. The most common water resistance for diving watches is 200 meters, but there are also watches that are water resistant to 300, 500, or even 1000 meters.
- Rotating bezel: A rotating bezel is an important feature for diving watches. It is used to track dive time, which is important for avoiding decompression sickness.
- Bright dial: The watch must be easy to read in the dark, either through the use of self-luminous materials or with a lamp.
- Chronograph: A chronograph is a feature that can be used to measure short intervals underwater.
Classification
Diving watches are often classified according to their water resistance. The most common classification is:
- ISO 6425: This is the international standard for diving watches. A watch that meets the ISO 6425 standard is water resistant to at least 200 meters.
- Diver's 200M: This is a common classification that is used by many manufacturers. A diving watch with this classification is water resistant to at least 200 meters.
- Diver's 300M: This classification is intended for deeper dives. A diving watch with this classification is water resistant to at least 300 meters.
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