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STERNGLAS presents its new Naos Edition Sport and shows a completely different side to its popular collection, the likes of which we have never seen before. Sportiness, temperament and aggressiveness have found their way in. Is that enough to establish it as a racing watch? I have already had the opportunity to test the model. These are the results…

STERNGLAS Naos Edition Sport S01-NAS05 (-VI21)
Photo © 2023 by WATCHDAVID® David Drilling – All rights reserved

A breath of fresh air in the Naos collection

It is brand new, has a minimalist design typical of STERNGLAS and yet still has that certain something that makes it look a lot meaner than its Bauhaus counterparts. In the STERNGLAS collection, the Naos is a timeless classic that has become the Hamburg brand’s most popular watch. The best way to conquer the world of STERNGLAS is with a Naos! However, the manufacturer wants to prove that this perennial favorite has another face with its new Sport Edition. 

STERNGLAS Naos Edition Sport S01-NAS05 (-VI21)
Photo © 2023 by WATCHDAVID® David Drilling – All rights reserved

Without further ado, the chic but still somewhat staid Naos has been tuned up in the truest sense of the word. Solid blue and white tones and brown bracelets are a thing of the past – at least when it comes to the design of the new, sportiest Naos. They have given way to a black case with a black dial and red accents. The look of the dial with its minute ring looks as if it has been taken 1:1 from the cockpit of a sports car. I really like the new Naos at first glance. It comes across as aggressive and spirited, without wanting to throw the old virtues overboard that made STERNGLAS great. You could also say: Bauhaus for the racetrack.

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Despite its release on November 9, 2023, I was in the fortunate position of being able to test the timepiece with gasoline in my blood a few days before its release. Mine is one of 999 pieces that will be launched worldwide. So, as always, my recommendation is: if the STERNGLAS Naos Edition Sport is the watch of your choice, you shouldn’t think too long. Experience shows that the 999 pieces will be sold out sooner or later. At market launch, they will cost 249.00 euros – at least in theory. I have a little surprise for you. Because STERNGLAS has just launched its new Black Friday deals, you can save 10% on the purchase of your STERNGLAS watch with the community voucher code WDBF10. The code is valid throughout November, in addition to Black Friday deals. If not now, then when?

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STERNGLAS Naos Edition Sport S01-NAS05 (-VI21)
Photo © 2023 by WATCHDAVID® David Drilling – All rights reserved

How the STERNGLAS Naos Edition Sport performs on the wrist

But now back to the watch review. What strikes me the first time I put it on my wrist are its compact dimensions. The Naos Edition Sport measures just 38 millimetres in diameter. For a men’s watch (where I would classify it), these are dimensions that you should consider if you have a larger wrist circumference. For me personally, this size is ideal. The STERNGLAS Naos Edition Sport also appears larger than it really is due to its dial, which leaves only a wafer-thin bezel. Lug to lug and in its height, the watch wastes no space. A glance at the data sheet reveals: 41 or 8 millimetres (without glass) are anything but average. 

I was really impressed by how comfortable it is to wear. You don’t feel 55 grams including the strap in everyday life – that’s right, not at all. That’s what I expect from a Bauhaus watch! Just like in motorsport, every gram counts. More weight costs performance. And we really can’t afford that in everyday life.

STERNGLAS Naos Edition Sport S01-NAS05 (-VI21)
Photo © 2023 by WATCHDAVID® David Drilling – All rights reserved

The STERNGLAS Naos Edition Sport is worn on a vintage concrete strap made from Italian full-grain leather. It impresses with its striking cut edge and the two-tone “pull-up” effect. A vintage look is created over time. It is made by a Bavarian leather manufacturer. The STERNGLAS quick-change system is well established.

Details of the case

While racing teams spend millions to manufacture components from carbon, our STERNGLAS Naos Edition Sport does without this high-tech material altogether. Of course, for some motorsport enthusiasts, carbon is part of a good racing watch. But then STERNGLAS would have to question its attractive price model. 

Nevertheless, they haven’t skimped on the carbon look. And anyway: the 316L stainless steel (also known as surgical steel) used for the case is really impressive and conveys a premium feel. The brushed, black surface comes from a PVD coating, which gives the already scratch-resistant stainless steel case even more durability and longevity. With its simple, circular silhouette, the design offers similarly good conditions for the STERNGLAS Naos Edition Sport to last for many years.

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STERNGLAS Naos Edition Sport S01-NAS05 (-VI21)
Photo © 2023 by WATCHDAVID® David Drilling – All rights reserved

The double-domed and anti-reflective(!) sapphire crystal seamlessly complements the outstanding impression of the case. The back is screwed in four times and is adorned with the chequered flag, the iconic finish line flag. This looks as if it is being waved, which also gives the watch a dynamic look on the underside. STERNGLAS specifies a water resistance of 5 bar. Splashes of water are not a problem, but you should definitely refrain from diving. On the back of the case, you will also find the numbering indicating which of the 999 pieces you now own.

The engine of the STERNGLAS Naos Edition Sport

The STERNGLAS Naos Edition Sport is powered by a quartz movement from Ronda. The caliber 715 has a rate accuracy of -10 to +20 seconds per month. The battery life is specified by the manufacturer as 5 years. 

Photo © 2023 by WATCHDAVID® David Drilling – All rights reserved

In the cockpit

What does the world of motorsport care about hours? Minutes and seconds are enough for us. Accordingly, STERNGLAS has taken a pragmatic approach to the dial and completely eliminated the hour indices. The “speedometer” now ranges from 0 to 60 and still makes it possible to read the time accurately to the minute and second. The lack of hour markers didn’t throw me off my stride during the test period. You kind of think of them. Similar to the high-speed range, the STERNGLAS Naos Edition Sport has a red 20-minute marker on the minute ring. The color matches the red second hand perfectly. 

I find the source of inspiration for the unconventional date window at 6 o’clock, which displays not one date, but three (yesterday, today and tomorrow), exciting. According to STERNGLAS, this was inspired by old tank gauges from vintage cars.

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STERNGLAS Naos Edition Sport S01-NAS05 (-VI21)
Photo © 2023 by WATCHDAVID® David Drilling – All rights reserved

This brings us to several allusions to speedometers and cars. Precisely because STERNGLAS’ Naos is not the first watch on the subject of racing, I wonder why these ideas have never been implemented so creatively anywhere else. 

My conclusion on the STERNGLAS Naos Edition Sport

The Naos Edition Sport is a beautiful wristwatch with a harmonious look that brings new momentum to STERNGLAS’ popular collection. Cheekier, more unconventional and more spirited, it breaks with many of the traditions for which the Naos was previously known. Other virtues have been consistently continued. The high-quality choice of materials and the successful workmanship come to mind. Thy are anything but a matter of course in this price range. STERNGLAS stands out. 

But what does the STERNGLAS Naos Edition Sport actually want to be? Certainly not a full-blown racing chronograph with stopwatch functions and other gimmicks. Anyone who applies this standard to the Naos Edition will be disappointed. Despite its unmistakable motorsport genes, the timepiece has absolutely nothing in common with these chronographs – apart from the colors black and red, perhaps, which are also frequently found there. The STERNGLAS Naos Edition Sport is in a class of its own. It was born for the race track on the outside, but at its core it is a dress watch suitable for everyday use, which of course does not claim to be used for timekeeping.

Photo © 2023 by WATCHDAVID® David Drilling – All rights reserved

If you are seriously interested in the Edition Sport, you should be aware of this beforehand. Then the world is open to you with this timepiece. And whether you drive an Opel or a Porsche, on the right-hand lane or in the fast lane – it doesn’t matter! The main thing is that you have fun – and with the STERNGLAS Naos Edition Sport, you have a companion that is made for it.

You can find all the important and further information about the watch and star glass below.

More about STERNGLAS and the Naos Edition Sport

Click here for the watch in the store

Even more STERNGLAS watch reviews in my blog

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Watch photography


Technical Details

NameSTERNGLAS Naos Edition Sport

Reference numberS01-NAS05


CategoryBauhaus watches

Price from249.00 euros

Warranty2 years

Case Material316L stainless steel / PVD coating

Diameter38.00 mm

High8.00 mm without sapphire crystal

Watch Glassanti-reflective coating / Sapphire Crystal

Watch TypeQuartz

Waterproof5 bar (50 m / 164 ft)

Movement NameRonda 715

Functionsdate / hour / Minute / second



Special Featureslimited watch

Bezelblack / PVD coating

Bracelet Colorblack

Bracelet Materialvegan leather

Clasp316L stainless steel / pin buckle

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