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Posts Tagged ‘Watch’

The term watch glass refers to the transparent covering over the face of a watch. There are a number of different materials that are used to make watch glasses. They are generally made of one of three common materials depending on the make, uses and quality of each particular watch. Each material has it’s own advantages and disadvantages, so it is worth understanding the differences. Sometimes the glass is referred to as the crystal, this is not to be confused with the quartz crystal inside of a lot of watches which regulates the timekeeping.

Acrylic Glass
The cheapest glass is actually a plastic. Acrylic plastic is tough, flexible and transparent. It is not likely to shatter as it is very light. The downside is that it may scratch easily. The scratches can be removed, it is advisable to consult a jeweller about the best way to proceed. Childrens’ watches often have an acrylic glass as they are unlikely to be able to break it even if they are not as careful as they could be! 

Mineral Glass
The most common form of glass is mineral glass. This is made by using heat or chemicals to treat ordinary glass in order to make it more scratch resistant. If the glass does become too scratched it will need to be replaced.  Unfortunately this also has the affect of making the glass more likely to shatter. Occasionally when a watch glass shatters small shards of glass can lodge themselves into the workings. If this happens then the cost of repair is likely to exceed the value of the watch. Most watches, however, do not end their life in this way; so there is no need to be unduly worried. But it is worth being careful if your watch glass does shatter in order to prevent this from happening.

Many people say to me that they could not live without their watch. But it was not until the last century that this became a realistic possibility for the majority of people. Timekeeping has been possible in a fairly accurate way since the 1400s but it was not until the 1800s, when watches began to be mass produced rather than made by hand by skilled watch makers, that this became accessible technology. The trend of wearing wristwatches began in the trenches in WW1 as they were a more practical accessory than a pocket watch. Since then the technology has developed in leaps and bounds.

Mechanical Watches 

The first wristwatches were mechanical. They are powered by the energy stored in a spring which is used to move a number of weighted wheels, or gears as they are also known, that turned the hands. This technology came from spring-powered clocks that were around as early as the 1400’s; it began to be used for smaller watches in the 1600’s. These types of watches need to wound regularly; meaning that as well as being prone to losing time they rely on their user to remember to wind them. For these reasons mechanical watches are generally collectors items or created primarily for nostalgic purposes rather than for practicality.

Kinetic or Automatic Watches

The modern variation of the mechanical watch that has recently seen a revival is the kinetic watch also known as an automatic watch. These watches have a similar internal structure as the mechanical watches but rely on the movement of the wearer to power the spring. They are often less reliable than other forms of power for watches; there is a greater likelihood that they will lose time, in some cases a few seconds every day. They have made a comeback in certain designers ranges such as Police and Seiko. This is partly because they never need to have a battery change and also the mechanics allow for some additional stylistic features like transparent backs through which the mechanism can be viewed.

Quartz Watches 

Watches are made from a wide variety of different materials. If you are buying a quality watch from a reputable dealer you will be able to tell what a watch is made from before you buy it. These details can normally be found on each different component; the watch strap or bracelet and the case back.  If you are buying online this information should be found in the product description. 

Gold Watches

Gold is only used for luxury watches. There are two main reasons for this; firstly that gold is an expensive material, secondly that it is an extremely soft metal. Gold watches are dress watches, normally purchased for special occasions and are not suitable for everyday wear. One advantage to having a gold watch is that gold has an intrinsic value. If the watch can no longer be worn the gold still has a value according to its weight and the price of gold on any given day.

Gold Plated Watches

If you fancy a gold watch but want something more usable than a solid gold watch you can opt for a watch with a leather strap and gold case or a gold plated watch. Gold plated watches have the same lustrous colour as gold but come at a fraction of the price. New technology in this field means that instead of layering the gold on top of a base metal it is now infused into it (by a process known as Physical Vapour Deposition or P.V.D.). This results in a more even spread of colour and longer lasting cover.

Silver Watches

Silver is also a luxury item that retains its value. It is not as expensive or as soft as gold but is still a malleable substance which is why it is used so frequently in jewellery. Silver watches are more durable than gold watches but are more prone to tarnishing. Although this can be rectified by regular cleaning and taking good care of your watch.

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