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What is a watch case?
Watch case is a word that refers to the outer shell of a watch, which houses the movement inside. Depending on the type of watch, the watch case will be used to refer to the frame or the complete case of the watch. But in general, a watch case will include components such as:
- Border : Is the part around the front.
- Glass : The front protects the inside of the watch.
- Bottom cover : The bottom protects the inside of the watch.
- Frame : The part that contains the machine and to install the bezel, glass and bottom cover of the watch. The frame is usually designed to be monolithic with a strap to attach the strap.
Some terms related to watch cases include:
Case Size
A term for the size of the watch case, but is commonly used by many to refer to the diameter of the dial, including the bezel, excluding the side crowns of the watch.
Usually, Case Size will be the factor that users pay the most attention to to choose the right watch for their wrist.
Case Back
The term for the case back on the back of a watch. The common types of Case Back are the lid, the swivel cover, the screw bottom cover, the glass bottom cover corresponding to the structure or how to disassemble, specifically:
- Reliable bottom cover : A type of watch cover that can be opened by using a special tool to open it. Watches that use this type of case often have low water resistance, some higher-end watches have better water resistance.
- Glass bottom cover : A type of transparent glass cover, allowing users to see the internal components of the watch. This type of cap is often found on automatic open-air watches.
- Rotating Bottom Cover : This type of lid can be opened in a way that rotates in the correct direction of the lid. Watches with rotating casebacks are usually extremely water resistant.
- Screw bottom cap : Usually found on low-priced quartz battery watches, the water resistance of this type of cap will not be high.
Case Number
Is a series of numbers on the back cover on the back of the watch (case back). This serial number is stamped by the manufacturer to distinguish it from other products, as well as look up genuine products.
Case Diameter
The diameter of the watch front, excluding crowns, buttons, or band lugs. Depending on the wrist size, each person will fit different watch diameters.
Case Thickness
Is the thickness of the watch case, calculated by measuring the height from the highest point of the bezel (or the highest convex point of the watch face) to the highest point of the caseback.
Popular watch case styles and shapes
According to the structure, there will be 3 popular watch cases:
- Standard case : A very common case, with detachable parts including the frame, strap, lid and glass.
- Case in case : A case where the large outer case will wrap inside another small case and then the machine. This type of case has a rather complicated structure and is used on watches that require durability and high water tightness.
- Bottomless case : A case where the bottom cover is monolithic with a non-removable frame, applied on watches that require good water resistance, such as diving watches.
According to the shape, there will be many different case styles such as round, square, rectangular, diamond, hexagonal, oval, etc. This variety is to meet the style and preferences of copper wearers. lake.
The material that makes up the watch case
316L . steel watch case
316L steel is the most common material for watch cases. This is a mixture of metals such as Chromium, Nickel, Molybdenum, Nito… which is heated at high temperature to remove impurities. This material has high durability, little corrosion, little color change and very good magnetic resistance, widely used on today’s fashion watches.
904L . steel watch case
The composition is quite similar to 316L steel, but 904L steel is made from more complex metallurgy techniques, so it will give a superior product in terms of hardness and corrosion resistance. This material is often used for high-end watches.
Titanium watch case
This is also a fairly common material, which has many advantages over steel such as lighter weight and good corrosion resistance, so it is very durable over time. Case Titan is also commonly found in high-end watches such as military or diving watches.
One drawback of Titanium is that due to its characteristic matte gray color, it will not look luxurious or eye-catching compared to easily polished steel.
Watch case made of precious metal
These cases bring luxury and class to the wearer when made from rare and expensive metals such as gold, platinum, silver, etc. Depending on the manufacturer’s style, these cases have may be made entirely of precious metals or coated.
Anti-scratch ceramic watch case
Scratch resistant is a compound of heat-treated zirconium, which has many advantages such as low weight, high hardness and very good scratch resistance, but it is difficult to process, so it is often used to make bezels on watches. .
Watch cases of other materials
In addition to the above materials, there are other materials that are not common such as copper alloy, zinc alloy, aluminum, wood or plastic, etc., depending on the needs of the user and the style of the manufacturer. These materials are still highly durable but can cause allergic reactions in some people when worn.
Popular watch face size classification for men and women
The watch face is available in many sizes to meet the diverse wrist sizes of the wearer. To make it easier to distinguish, the watch face size is divided as follows:
For men:
- Regular case size: 37mm – 39mm.
- Sports case size: 40 mm – 42 mm.
- Large case size: 45mm.
For women:
- Small case size: 23mm – 25mm.
- Regular case size: 26mm – 29mm.
- Case size unisex – both men and women can wear: 34 mm – 36 mm.
How to choose watch face size
First, use a tape measure around your wrist to measure your wrist circumference, then apply the following division formula to calculate the right size:
- Wrist circumference / 4.5 = Optimal watch size.
- Wrist circumference / 4 = Maximum watch size.
- Wrist circumference / 5 = Minimum watch size.
In addition, you can refer to the following table to determine the appropriate watch face size:
| Wrist circumference | The watch face size is suitable |
|---|---|
| Circumference 13 cm | 28-30 mm |
| Circumference 13.5 cm | 30 mm |
| Circumference 14 cm | 30-32 mm |
| Circumference 14.5 cm | 32 mm |
| Circumference 15 cm | 32-34 mm |
| Circumference 15.5 cm | 34 mm |
| Circumference 16 cm | 36 mm |
| Circumference 16.5 cm | 36 mm |
| Circumference 17 cm | 38 mm |
| Circumference 18 cm | 40 mm |
| Circumference 18.5 cm | 42 mm |
| Circumference 19 cm | 42 mm |
| Circumference 19.5 cm | 44 mm |
| Circumference 20 cm | 44-46 mm |
| Circumference 20.5 cm | 46 mm |
| Circumference 21 cm | 46 mm |
| Circumference 21.5 cm | 46-48 mm |
How to choose watch band size
Watch band size is also a factor you need to pay attention to to bring fashion and comfort to you when wearing a watch. After you have measured your wrist circumference, you can refer to the following table to determine your long and short strap sizes:
| Wrist size | Long rope | Short wire |
|---|---|---|
| 150 – 164 mm | 120 mm | 70 mm |
| 165 – 178 mm | 125 mm | 75 mm |
| 179 – 190 mm | 130 mm | 80 mm |
| 191 – 203 mm | 135 mm | 80 mm |
| 204 – 216 mm | 140 mm | 85 mm |
In addition, consider adding the material factor, the color of the watch band depending on your preferences and usage habits.
Some frequently asked questions
Should you choose a round or square watch face?
Round or square watch faces are not only different in appearance but also in function. There is no better choice, this will depend on preferences, usage habits as well as wrist size of the wearer. To learn more about how to choose the right watch face, please refer to the article: Should you choose a square or round watch, which is more beautiful?
Which material case should I choose?
If you are a general user, 316L steel is suitable when it meets many factors and has a moderate price. If there is a higher demand, you can consider 904L Steel, Titanium or precious metal.
How to properly clean the watch?
Before cleaning the watch, you need to determine the material of the watch band to prepare a suitable cleaning solution, then remove the band for easy cleaning. For more details, please refer to the following article: Instructions on how to properly clean plastic and metal watches
Where should I buy a watch to ensure quality?
Currently on the market there are many shops selling watches for you to choose from, but if you want to find a place with attractive prices, quality assurance, attentive staff and long warranty Please come to Tnhelearning.edu.vn or Mobile World!
Above is an article that shares information about watch cases and instructions on how to choose the most suitable watch case. Hope the above information has helped you to choose the right watch for you.
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