Seiko watches have long been cherished for their superb functionality, innovative designs, and affordability. However, there's something else that makes these watches incredibly special—the capacity for modification or modding. The SKX007 is probably the most well-known example of this - it's easily one of the world's most modified watches. This transformative practice of Seiko modding allows owners to customise their timepieces, bringing a unique touch to each model.

Among the myriad choices of modding components, one stands out for its durability, beauty, and sheer class: the sapphire crystal. Replacing your standard Seiko Hardlex watch crystal with a sapphire one not only amps up the aesthetic appeal but also enhances the overall functionality of your Seiko watch. Hardlex is good, but sapphire is undeniably superior. Here's why.

Functionality: Unmatched Durability and Clarity

Sapphire crystals top the charts when it comes to scratch resistance—a significant determinant of a watch crystal's durability. Measuring 9 on the Mohs hardness scale, sapphire falls just behind diamond, making it virtually immune to everyday wear and tear. If you're a Seiko owner who lives a particularly active lifestyle or simply values a long-lasting timepiece, a sapphire crystal mod is a fantastic investment.

Sapphire crystals are also renowned for their crystal-clear transparency, which remains unimpaired for years due to their exceptional scratch resistance. This means your watch dial remains visible and unobstructed, ensuring you can appreciate the intricate details of your Seiko watch for years to come. Our Seiko-compatible sapphire crystals are also double-domed, which provides a luxurious domed crystal, without any of the distortion.

Aesthetics: Enhancing Luxury and Value


While the functional benefits are remarkable, the aesthetic value of sapphire crystals cannot be understated. A sapphire crystal imparts a high-end, luxurious look, often associated with more premium watch brands. Modding your Seiko with a double-domed sapphire crystal like our NMK302 (one of our bestsellers!) can enhance the perceived value of your watch, making it look more expensive than it is. It's subtle, but it's one of those "if you know, you know" watch modifications. 

Comparatively, the sapphire crystal's polished finish and glossy look dramatically amplify a watch's visual appeal compared to standard mineral or Hardlex crystals, both commonly found in entry to mid-level Seiko watches. The sapphire crystal gives off a premium aura, bringing your watch closer to the aesthetic level of luxury watches like Rolex or Omega, aspirational brands that are known for their use of sapphire crystals. Good news - you don't have to pay top-dollar to enjoy a premium experience, our sapphire crystals don't cost an arm and a leg. Plus, you don't need to get onto a waitlist for ANY of our parts. Wink wink, nudge nudge.


The Verdict


Modding your Seiko with a sapphire crystal is a decision that brings you both aesthetic and functional advantages. Not only does it dramatically improve the watch's resistance to scratches and enhance visibility, but it also imparts a luxury feel to your timepiece, boosting its overall value.

It's important to remember that not all mods are created equal. The choice to switch to a sapphire crystal reflects a commitment to quality, durability, and refined aesthetic appeal. After all, your timepiece isn't just about telling time—it's a statement of your style and taste.

So, why not give your Seiko watch the upgrade it deserves with a sapphire crystal mod? It's an investment that will pay off every time you glance down at your wrist.

May 18, 2023 — Glen H