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At the heart of it. Since 1840.

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  • How To Take Care of Your Watch - Royal Coster Diamonds

    How To Take Care of Your Watch

    Know your watch’s water resistance 3 ATM / 30m: Splash proof and waterproof in small amounts of water. 5 ATM / 50m: Can be submerged in water. Suitable for shallow...

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  • Do I need a Watch Winder - Royal Coster Diamonds

    Do I need a Watch Winder

    Let me start by saying nobody really needs a watch winder, ever. You didn't even need an automatic watch to begin with. In fact, in this day and age, you...

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  • Why watches are always 10 past 10 - Royal Coster Diamonds

    Why watches are always 10 past 10

    Timepieces come in all sorts and shapes. Just think for example about the differences between analog watches and wall clocks. In addition, there are all kinds of variations within those...

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