Activity Tracker & Smart Watch Screen Protectors

subtel® - UK electronics specialists since 2004

subtel® has been a trusted specialist for protective screen and display covers and cases for activity trackers, fitness armbands, smart watches and wristwatches throughout the UK and Europe since 2004, offering the best quality, hardened and tempered glass screen protectors for a huge variety of watch types and models.

Each product we sell is independently tested for performance and quality from our headquarters in Berlin, Germany. Because of this, we offer a three-year guarantee on every single one.

Protect your smartwatch from drops and falls with a scratch-proof, shockproof watch screen protector from subtel®.

★ Fast UK shipping     ★ 30-day return policy     ★ Expert customer support

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A huge selection of smartwatch screen protectors

subtel® sells scratch-proof, shockproof and shatter-resistant protective 9H tempered glass, 3D full cover screen protectors, cases and watch face protectors for a wide variety of smart watches and fitness trackers, all specifically designed to perfectly fit all leading brands and models. These include:

Screen protectors for smartwatches - Samsung Galaxy watch screen protectors, including Galaxy watch screen protectors, Samsung Active watch screen protectors and more. Apple Watch screen protectors, including Apple Watch Series 3 screen protectors, Series 4, 5, 6, SE and more. Huawei watch screen protectors, including Huawei gt2 screen protectors and Huawei Watch Fit screen protectors.

Screen protectors for fitness watches and activity trackers - Garmin Watch screen protectors, including Vivoactive 4 screen protectors and Garmin Forerunner screen protectors and FitBit covers and FitBit screen protectors, including screen protectors for FitBit Versa series of smartwatches.

Because our smart watch screen protectors have been specifically designed to fit each individual watch model, they feature tight-fitting seals with curved edges for extra production, cut-outs in all the right places to enable unrestricted access to buttons and ports, as well as an ultra-thin, touch-reactive screen that will not diminish your touch-screen’s reactivity.

Certified safety and proven quality

All subtel® and CELLONIC® smartwatch screen protectors are individually tested for performance and are in complete compliance with all European and International quality and safety standards.

3-year manufacturer’s warranty

Our 9H hardness level tempered and Asahi security glass provides excellent resistance against scratches and shocks and protects against low-level drops and falls. Because of this, we offer a 36-month guarantee on all of our smartwatch screen protectors.

What is 9H tempered glass?

All of our screen protectors for sale at subtel.co.uk feature 9H tempered glass. But, what does this mean?

Firstly, let’s find out what tempered glass is.

What is tempered glass?

Tempered glass is used in security situations when hardness is needed and glass that breaks into sharp shards is undesirable - like in car windows or smartwatch screen protectors. Unlike normal glass, tempered glass fractures into small, harmless pieces.

The process of tempering begins with a cut piece of glass that’s of high quality. Glass with imperfections and impurities will shatter under the tempering process.

There are two methods of tempering: heat treatment and chemical treatment.

Under heat treatment, glass is heated to more than 600 degrees Celsius. The glass then undergoes a high-speed, high-pressure cooling procedure.

In chemical tempering, the glass is bathed in chemicals that exchange ions on the surface of the glass in order to create compression.

In both methods, surface compression is created within the glass. While this surface compression does reduce the flexibility of the glass, it massively increases the amount of force needed to break it on a front-on impact - by around 5x that of untempered glass.

What does 9H hardness mean?

The Mohs hardness scale of minerals ranges from 1 to 10 - ranking the hardness of minerals such as talc (1H) and diamond (10h).

Hardness is measured by a mineral’s ability to scratch the surface of another. If regular glass scores a 5H on the hardness scale, it means it can scratch any other material under 5, but can itself be scratched by anything above 5.

Things that rate 9H on the hardness scale include sapphire and ruby - very hard things indeed.

By having a watch screen protector that’s 9H tempered glass, it means that it can both absorb impacts around 5x better than normal glass, whilst also offering the scratch protection of a material as hard as a sapphire.

Reliable protection when you need it

Our smartwatch screen protectors offer 99.9% transparency for unparalleled image quality and usage, anti-fingerprint or smudge coating, bubble-free and water repellent application and scratchproof, shockproof and shatterproof protection.

All protectors are shipped within the UK from the day your purchase is made and come with a 3-year manufacturer’s warranty.

If for whatever reason you’re unsatisfied with the quality of our product, you can return it within 30 days.