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How to take care of your watch (Part 3)

Here comes our third and final part of our guide on how to take good care of your watch. This post will give you tips to care for the watch glass and water resistance.


As mentioned in one of our previous blog posts, there are three types of watch crystals, namely Acrylic Glass, Mineral Glass and Sapphire Crystal. In general, watch crystals should be protected against heavy shocks and strong impacts. More importantly, it is highly recommended that you know what kind of watch crystal you have in order to give it the best care.

Sapphire Crystal, so-called “scratch-resistant” crystal, is the crystal of best quality in the market. Sapphire, rated 9 out of 10 on Mohs hardness scale, is the second hardest substance on Earth. It is believed that only diamond and other sapphires can scratch sapphire crystal. Therefore, it is my suggestion that you pay attention to your sapphire crystal watch when it is close to jewellery especially those that contain diamonds.

When it comes to mineral and acrylic glasses, the two types of crystals are easier to get scratched than sapphire crystal. It is, thus, a must to keep your watch away from sharp items such as knives, working tools, keys or coins. One lucky thing with acrylic glass is that scratches can be easily buffed. However, too many scratches on mineral glass mean that a replacement is needed.

Once you need to replace you watch glass, give it the best care possible by going to a reliable watch service stores.


Water is a watch’s enemy since no watches are waterproof. In general, watches, except for diving watches, are not ideal companions when you go swimming, diving and bathing. Therefore, it is absolutely important for you to understand about your watch’s water resistance.

Water resistance of a watch refers to the protection against humidity. Water resistance capability is usually marked on the back case of a watch, measured in ATM (atmosphere) or bar. 1 ATM is equal to around 10 meters. It is not recommended that you use your watch at the maximum safe depth predetermined by the manufacturer.

Followed is the table showing watch’s water resistance classifications and their suitability. (Professional diving watches are not included).

Tips for water safeguards for watches:

  • Avoid using watches in hot/warm water or sauna/steam or bubble bath.

  • Avoid showering with your watch on because the soap and shampoo can sneak inside and damage the watch’s movement.

  • Make sure to screw down or push down the watch crown tightly before you go into the water

  • Dry your watch thoroughly with a cloth, as soon as you have finished your water activities especially when it involves salt water

  • Remember that water resistance is not related to pressure. Do not wear your watch when sudden shifts in pressure are expected

  • Check your watch’s water resistance regularly at a reliable service center

We understand that watches are precious and they deserve the best care from the owners. I hope that our guide has offered you useful insights and tips to care for your timepieces.


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