Gold coin watch etched sapphire glass7/17/2023 ![]() ![]() Even as coins become more of a transactional inconvenience every year, they still stick around in popular culture and in art. In England, it was tradition for a threepence or sixpence coin to be included in the mixture of a Christmas pudding, and whoever was served a slice of pudding with the coin inside (and was lucky enough to not choke on it) could keep it as a sign of good fortune for the coming year. This wasn’t a prototype piggy bank but rather to be payment in the afterlife for Charon the boatman, who transported the souls of the dead across the River Styx to the Underworld. When someone died in Ancient Greece, tradition called for a coin to placed upon or in their mouth. Be aware that a replacement may look slightly too big before it is installed on the watch, but the installation process compresses the crystal for a secure fit.For millennia, coins have played an important part in world culture. They can vary from 16 mm to 40 mm in diameter. Most fall within the range of 0.7 mm to 2.5 mm thick. Crystals come in a wide range of sizes and thicknesses. These shapes may be flat on both the top and bottom or flat on the bottom and domed on the top. Other shapes, including rectangular, square, oval, and cushion, are also available. If your watch has a tiny round magnifying window over the date and time, you can find a replacement that also has that feature. Sapphire watch crystals can be found in a round shape with a beveled edge. It is possible to upgrade a watch that has an acrylic or standard glass crystal, but these crystals work best with watches originally intended for sapphire crystals. You can find replacement glass to fit almost any watch that originally came with a sapphire crystal. ![]() What sizes and shapes are available in sapphire crystals? Because the clarity of the glass, these coatings do not make the dial appear blurred or hazy. Sapphire is also quite clear, which is a particular advantage for crystals that have an anti-reflective coating on either the inner or outer surface. This hardness makes the material extremely resistant to scratches and breakage. It is rated 9 on the Mohs scale of mineral hardness while diamonds are rated 10. What are the advantages of sapphire crystals? Each sapphire crystal slice is shaped and polished to meet the specifications of the individual watch manufacturer. This column is then sliced with a diamond cutter or laser to the desired thickness. Because this process takes place in a cylinder, the result is a column of synthetic sapphire. As they cool, they fuse and become a solid mass. The crystals are heated at high temperatures until they become a liquid. ![]() Sapphire watch glasses are made from aluminum oxide crystals. They are manufactured to have the same chemical properties of genuine sapphire without the color. While some sapphire watch crystals are made out of natural sapphire, many mass-produced and commercially available crystals are synthetic. Sapphire glass is a type of high-performance manufactured material that is used in higher-end timepieces. Its purpose is to protect the dial from dirt, moisture, and physical damage. ![]() What are sapphire glass watch crystals?Ī watch crystal is the clear covering over the dial. Replacement sapphire crystals can help you continue to enjoy your favorite timepiece. These crystals can be used as replacements for watches that require repairs. Sapphire crystals are used by makers of mid-range and luxury watches because of their durability. ![]()
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