A diver must have full preparations before diving. A diving watch is necessary to prepare. Such a timepiece is different from other watches. A diver is surely familiar with it. It is a timepiece which is specially designed for people to having underwater diving.

Specialty of Diving Watches

1. Water Resistance

This is an obvious feature of diving timepiece. It is water resistant for about 300 meters. Divers do not have to worry about the quality of it after diving. As the technology of watch manufacturing is more advanced than ever before, it can go much deeper than it actually is. The diver can surely have a good time by wearing such a timepiece for diving.

2. Watch Case

Usually the case of a diving watch is more stoutly than other timepieces. It is made of special materials like plastics, synthetic resins, titanium and so on. And it must be able to endure the corrosiveness of seawater. The case of the special diving watch is relatively heavy and large when comparing with other watches. The commonest material for the watch case of it is the stainless steel.

3. Crystal

The crystal of a watch for diving is thick in order to enhance the pressure resistance of it. And the materials of the crystal are better in quality such as hardened glass and acrylic glass. These materials are more scratch resistant than other materials for making crystal.

4. Others
There must be a water resistant crown in such a watch. It is used by people to set or adjust the time and date. And the bezel is also unique with conspicuous 15 or 20 minute markings. The strap of such a watch is usually made of rubber, polyurethane and silicone rubber. And the battery of a diving watch is of electric powered movement.
History of Diving Watches
The watch was created before to meet military and professional needs. The Omega “Marine”, which was introduced in 1932, is said as the first Diving timepiece in history.
With more and more people realized how important it was to wear it for scuba diving, more and more diving watches were introduced into the market. In 1954, Rolex Submariner was introduced into the market. These watches are still attractive today.
During the 1960s, people had more under water activities. There were more watches designed for these activities. More and more watch manufacturers produced these timepieces at that time.
Today, scuba diving is loved by young people. Many people like to do it in their spare time. Either professional divers or not, they wear such a watch for diving. And famous diving timepieces are hot.
There are many high-end diving watches in the market today. They are created by top manufacturers such as Rolex, Omega, Seiko, Casio, Citizen and so on. These watches are popular and hot. In conclusion, diving watches are special and advanced timepieces for people to wear for diving.

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I came into Boston 2 or 3 years ago. I went to look at this place which was called Hopkinton. I am curious about the appearance of Hopkinton village. Hopkinton is very peaceful. There is a plaza in this village which is full of trees and grass. It is also quiet. I can not find any special features here. It is not different with other villages. We can see a house and it is built by fish-scale watts. People can see other buildings on the top of this house. We can also find the cathedral in this village. There are one golden sign and one pointed tower in this church. The church’s brass loses its own color. It is green now because of oxygen. This town is similar with other towns. However, we must pay attention to one point. We can see two white lines on the street of this village. They are very thick. In fact, best runners run in these two thick lines. Sometimes women can run along the two lines. There is a surprising thing. I see 6 people who also stand near these two lines. Actually they came here to express their tribute to this race. At last, when we arrive at Boston, we have a kind of uneasy feeling. Runners prepare much for Marathon game and they cannot do other trainings at all. Their feeling has changed.
In addition, before the Marathon game, runners can not sleep well and have many dreams. They often wake very early. I meet a participator who attends this Marathon game. Nike Free His friend and he live in the same room. Because of anxiety, he wakes in the early mooring and at three he can not sleep. When he wakes up, his friend is doing exercises. He is trying to relax and to keep a good condition. There is another runner. In 1076’s Marathon game, he performed in a wrong way. He went to Boston Plaza in the early morning. when the sun rose, he ran for 6 miles. Finally morning is coming. At this time, people can find delicious blintzes in the restaurants in Boston. The food is for those runners who take part in Marathon game. At half past eight, runners come to Hopkinton by car. They must accept the physical examination in Hopkinton. This exam is the most careless in the world. Therefore the government abolished this item because people do not regard it carefully. In the process of Marathon game, runners have to check in when they come to secondary school’s gymnasium. Runners get one number and four brooches. The gym is very noisy and it is full of the smell of terebinthine oil. In peacetime, they often have physical training with their scruffy clothes. However, if they take part in Marathon game, they will wear the best bib and tucker. They often wear their short trousers and beautiful hair bands. They also wear their new nylon sport suit on which we can see the name of the club. Many press photographers are waiting for the beginning of the game. They have their own cars there. Certainly you can find many cameras there. Near the starting line, there are many good runners. We can see lots of ordinary runners. Some informal participators also run with others. Certainly some people like running slowly and then run after those competitors. In a word, Marathon is very interesting in our modern life.

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