Wristwatch features

Wristwatch features

A thermometer measures temperature and can show a range from minus 10 to 60 degrees Celsius. Thermometers are divided into two types on a watch: traditional and electric thermometers. Electric-type is also divided into two categories; sensor and quartz crystal.

Quartz crystal thermometer
A new and very accurate method of measuring temperature is based on the sensitivity of the quartz crystal resonant frequency to temperature changes. When the appropriate cutting angle for the crystal is used, a perfectly linear correlation between frequency and temperature is established. Commercial models of this device use electronic counters and digits to display frequency measurements. This device's operating temperature range is between minus 40 degrees to 230 degrees Celsius.

Distance meter:
The definition of this feature is the same as that of a tachometer, except that it is more active in digital systems, will operate more accurately, and can only be measured at a constant speed, such as the time difference between seeing the light and lightning or explosions. This feature is also seen in mechanical watches called a telemeter. You can use this feature through the button on your watch so that when you see the light, you press the button on the telemeter once, ، then press it again when you hear the sound of lightning.

Briefly on Tachometer:

A tachometer is the name of a standard that is scaled and engraved on the analog watch bezel. This criterion is used to calculate speed in terms of time traveled over a given distance, or the distance traveled over a certain pace at a given time. The calculation of the mentioned parameters (speed or distance) using this device has nothing to do with the unit of measurement (such as kilometers and miles). Any unit can be used if you keep the same unit for all calculations. The distance between the symbols on the tachometer dial is proportional to (1 / T). T here indicates the elapsed time.

Depth gauge (bathometer):

In the early years of scuba diving, a diver took a hand-wound watch underwater in a glass container to get the capsule out of the water before running out of oxygen and carried the bathometer on his wrist. With the development of water-resistant watches to a depth of 30 meters and more, the watch was tied to the wrist. In the late 1960s, companies such as Favre-Leuba, Nivada, and Aquadive developed diving watches with depth gauge features. So divers could use both tools on one wrist. It wasn't an easy feat, as watchmakers had until then tried to test the watch out of the water, while a depth gauge needed water to penetrate to make measurement possible.

There are two types of bathometers; a mechanical type that shows the depth by direct pressure on the watch's body—the manufacturing and production of this type cost more than digital depth gauges, such as Edox watches.

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And the second type is the digital sensor, which is seen more in Japanese watches.

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For mountaineers, in addition to other suitable mountaineering equipment, it is essential to use a watch with a high-quality barometer.; These watches are commonly used by the acronym ABC (altimeter, barometer, compass).

The barometer in digital watches automatically measures the pressure every two hours and displays the recent atmospheric and current pressure graphically. When you take the following measurements after the move, recheck the barometer. Moreover, the pressure is measured and observed on the watch screen through the hidden pumps on the side of the watch body in mechanical watches.


Most watches with an altimeter (analog-digital) are expensive because they are often essential at high altitudes, which must have the features of the altitude, pressure, temperature, and geographical coordinates to display accurate information; however, there are some cheaper models for those interested in this type of watch. 
In mechanical watches, the altimeter functions through the hidden pumps of the watch body, showing the level of your height above the ground.

Dual time:

These watches can simultaneously show you two different times (analog-digital). This feature benefits business people who care about every minute of their time; This means that you can have the time of two different countries in one watch. It should be noted that a dual time display doesn't mean the watch has two movements; one movement is enough for the dual time display. Although, some brands like Diesel use two separate movements in a few models to show the dual-time feature.

Limited production (LIMITED EDITION):

Some watch brands produce a variety of collections annually. Every year they announce one of their collections as Limited Edition, which includes watches with unique characteristics such as an unusual movement, jeweled movement, or rare material. For example, a watch brand produces ten watches of a particular model (might be more). Every watch is assigned a unique number (1/10 or 2/1000). For luxury watches, due to economic reasons, only one sample of the limited edition watch is unveiled, and to produce more models, they take orders beforehand.


This feature may seem the same as the chronometer or chronograph feature, but you realize its importance when you do not want to waste even 1.10 seconds of your time. The way to use this feature is to set a time to do something. For example, (1:53 ”) and the timer will start counting down until it shows you (00:00). You will be notified with a short beep when your time runs out.

Second calendar or the Moonphase:

You will have this feature on your watch when you see a small image of the moon in a solvent-shaped frame inside the watch display. This feature is like showing the date of the month. When the moon's shape is in the middle of the dial, your date must be in the middle of this month. 

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The ability to charge the battery by environment light by the panels on the watch dial
Learn more in the "watch movement" article.

Resistant or shockproof:

Watches with high resistance in terms of material used in making the watch make you wear it safely on your hands when exercising or doing hard and vulnerable work.


With the Bluetooth feature in your watch, you will be able to keep it up to date, and you can even manually set the watch via your mobile phone using the same watch software provided for Android and iOS operating systems. You will also have different functions with different software that may vary for each watch. The Bluetooth feature is used in both analog and digital watches. Just install the related software on your phone to see the result of your watch activities on your phone software.

World time:

Watches with this feature can find the country you want through the settings, among the names of the countries written around the watch bezel or the dial, and automatically see the time and date on the watch screen.


This feature works like your phone alarm; when you can not use your phone, you can use your watch to remind you of the set time.


GPS watches are often used for sports and fitness purposes. This feature may be designed for a specific sport or other purposes. Many can connect to a computer using the ANT protocol wirelessly or via USB to transfer data and settings to external sensors. These settings are possible via satellite waves or your geographical location.

Anti-scratch strap:

This feature may not be available for all materials, and only some of them, such as ceramics and tungsten, have this feature. You should also note that because of this feature, they are more fragile.


This feature shows the four primary and geographical directions on your watch display. (analog-digital). Analog watches (which are more expensive than digital watches) usually use this feature when the iron metal inside it has no use. If you do not see the watch compass on the screen or dial, there is usually a small compass on the back so you can use it when you turn over the watch. Also, in digital watches, you must reach the Compass option from the settings section.

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Touch screen:

A small button is placed on the watch to turn on the screen. In some watches (some models of the Kenneth Cole brand), a preset pattern is defined for the screen, and by swiping your finger like that pattern, the watch screen lights up. The screen is sensitive to finger-pointing, and like your smartphone, you can adjust it through the screen setting.


For those whose hands are sensitive to metals such as steel, it is better to use 316L and 318L steels and above. If you are also sensitive to the steel back case of the watch, you can cover it with a piece of leather so it wouldn't touch your skin.

Luminous :

There are two types of luminous: In old watches, a mineral stone was used for luminous index and hands, which is expensive for the mineral stone's unique feature of reflecting light. Today it is mostly seen in luxury watches. Another type is prepared from a chemical that can reflect light for as many hours as it has light saving.

Background light:

The background light or the Light button is used when the watch's screen has no glare, and you need to see the watch in the dark. You can quickly be notified of the time through the light that shines under the screen of your watch.

Skeleton or open heart:

This design is often used in automatic watches whose exciting gears are spinning. Only the balance spring of the movement can be seen in the open heart model, while in the skeleton, the movement is more visible.

Skeleton watches


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