![](http://uk.sternglas.com/cdn/shop/files/if_designaward2020_red_l_rgb_bda10763-1959-4964-ba6e-7c995307ec54_280x.png?v=1681391927)
![popup|Japanese automatic movement|The movement from the Japanese manufacturer Miyota is considered to be particularly low-maintenance and durable. Thanks to a clock frequency of 3 hertz, the second hand runs wonderfully smoothly.](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_frontal_1500x.jpg?v=1681399160)
![popup|5 ATM water-resistant|The carefully screwed case back seals your timepiece perfectly for everyday use.](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_zeigerblau_2_1500x.jpg?v=1681399160)
![popup|Classical Bauhaus design|Inspired by the Bauhaus movement of the 1920s, the dial is reduced and kept clear.](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_45_0ba37b8f-c44b-4b6c-adc9-e305395894f1_1500x.jpg?v=1681399160)
![popup|Soft calfskin bracelet|Our "Premium" leather bracelet comes from a family-run leather manufactory in the Bavarian Forest that has stood for outstanding workmanship for decades.](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_zeigerblau_4_1500x.jpg?v=1681399160)
![popup|Curved sapphire crystal|The absolutely scratch-resistant and double anti-reflective sapphire crystal - the premium class of watch crystals - ensures a clear view.](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_profil_grau_1500x.jpg?v=1681399160)
![](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_zeigerblau_3_1500x.jpg?v=1681399160)
![popup|See-through glass caseback|Through the see-through caseback, you can watch the rotor bring the mechanical movement to life by swinging it.](http://uk.sternglas.com/cdn/shop/products/S02-NA03-PR07_Naos_Automatik_schwarz_silber_premium_dunkelbraun_rueck_grau_1500x.jpg?v=1681399160)
![](http://uk.sternglas.com/cdn/shop/products/packshot_ohne_uhr_89f7f659-4ac8-4635-9378-90b98813f5e5_1500x.jpg?v=1681399050)
![](http://uk.sternglas.com/cdn/shop/files/S02-NA01-PR07_Naos_Automatik_weiss_silber_premium_schwarz_frontal_grau_1500x.jpg?v=1704178998)
![](http://uk.sternglas.com/cdn/shop/files/S02-NA01-MI04_Naos_Automatik_weiss_silber_milanaise_silber_frontal_grau_1500x.jpg?v=1704179016)
![](http://uk.sternglas.com/cdn/shop/files/S02-NA01-PR01_Naos_Automatik_weiss_silber_premium_braun_frontal_grau_1500x.jpg?v=1727346878)
Naos
Size guide
Note: Our standard length fits over 90% of STERNGLAS customers.
Measure your wrist circumference in centimeters.
Check the table to see which bands fit you best.
Case diameter | 33mm | 38mm |
42mm |
Leather 20 | x | 15 to 20 cm | 15 to 20 cm |
Leather XS 20 | x | 13 to 18 cm | 13 to 18 cm |
Leather XL 20 | x | 17 to 21,5 cm | 17 to 21,5 cm |
Klassik / Noble 16 | 14 to 17 cm | x | x |
Milanaise 16 | 14 to 17 cm | x | x |
Milanaise 20 | x | 15 to 21 cm | 15 to 21 cm |
Metal 20 | x | 15 to 21 cm | 15 to 21 cm |
Field 20 | x | 15 to 21 cm | 15 to 21 cm |
Nylon 20 | x | 15 to 20 cm | 15 to 20 cm |
Rubber 20 | x | 15 to 20 cm | 15 to 20 cm |
SuperSlim 20 | x | 15 to 21 cm | 15 to 21 cm |
Available | Delivery time 1 - 3 days | Duty Free Shipping & Returns
Insured express delivery
2 years worldwide warranty
Excellent Customer Support
In-house repair service
Couldn't load pickup availability
Manufacturer: Sternglas GmbH
![popup|Japanese automatic movement|The movement from the Japanese manufacturer Miyota is considered to be particularly low-maintenance and durable. Thanks to a clock frequency of 3 hertz, the second hand runs wonderfully smoothly.](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_frontal_1445x.jpg?v=1681399160)
![popup|5 ATM water-resistant|The carefully screwed case back seals your timepiece perfectly for everyday use.](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_zeigerblau_2_1445x.jpg?v=1681399160)
![popup|Classical Bauhaus design|Inspired by the Bauhaus movement of the 1920s, the dial is reduced and kept clear.](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_45_0ba37b8f-c44b-4b6c-adc9-e305395894f1_1445x.jpg?v=1681399160)
![popup|Soft calfskin bracelet|Our "Premium" leather bracelet comes from a family-run leather manufactory in the Bavarian Forest that has stood for outstanding workmanship for decades.](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_zeigerblau_4_1445x.jpg?v=1681399160)
![popup|Curved sapphire crystal|The absolutely scratch-resistant and double anti-reflective sapphire crystal - the premium class of watch crystals - ensures a clear view.](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_profil_grau_1445x.jpg?v=1681399160)
![Naos Automatik white](http://uk.sternglas.com/cdn/shop/products/S02-NA01-PR04_Naos_Automatik_weiss_silber_premium_dunkelbraun_zeigerblau_3_1445x.jpg?v=1681399160)
![popup|See-through glass caseback|Through the see-through caseback, you can watch the rotor bring the mechanical movement to life by swinging it.](http://uk.sternglas.com/cdn/shop/products/S02-NA03-PR07_Naos_Automatik_schwarz_silber_premium_dunkelbraun_rueck_grau_1445x.jpg?v=1681399160)
![Naos Automatik white](http://uk.sternglas.com/cdn/shop/products/packshot_ohne_uhr_89f7f659-4ac8-4635-9378-90b98813f5e5_1445x.jpg?v=1681399050)
![Naos Automatik white](http://uk.sternglas.com/cdn/shop/files/S02-NA01-PR07_Naos_Automatik_weiss_silber_premium_schwarz_frontal_grau_1445x.jpg?v=1704178998)
![Naos Automatik white](http://uk.sternglas.com/cdn/shop/files/S02-NA01-MI04_Naos_Automatik_weiss_silber_milanaise_silber_frontal_grau_1445x.jpg?v=1704179016)
![Naos Automatik white](http://uk.sternglas.com/cdn/shop/files/S02-NA01-PR01_Naos_Automatik_weiss_silber_premium_braun_frontal_grau_1445x.jpg?v=1727346878)
Why do we make Bauhaus watches?
In your search for a classic and durable watch, you are faced with 2 alternatives today:
1. you can buy a watch from a luxury manufacturer for a very high price, or
2. a watch from a trendy brand whose quality is as short-lived as the trend that made the brand popular.
![](https://cdn.shopify.com/s/files/1/0002/2039/7595/files/Dustin_3f78e889-56fb-4c70-a7c6-7007921c8aaa_100x100.jpg?v=1702555022)
Moin! My name is Dustin Fontaine,
When I worked in a watch manufactory during my school days and was looking for a watch for myself, I realised that there would have to be a 3rd alternative.
3. Since 2016, we have been breaking new ground and developing timeless Bauhaus-style watches that will outlive trends and continue to give pleasure for many years to come. And all that at a fair price.
In the meantime, over 53,000 watch lovers are convinced of our mission and our watch design has received several awards.
![](https://cdn.shopify.com/s/files/1/2384/2637/files/PD2020_RD_line_small_1_100x100.png?v=1660116235)
![](https://cdn.shopify.com/s/files/1/2384/2637/files/if_designaward2020_red_l_rgb_3_100x100.png?v=1660116305)
![](https://cdn.shopify.com/s/files/1/2384/2637/files/GDA22_HO_SPECIAL_MC_RGB_4_100x100.png?v=1660116269)
![](https://cdn.shopify.com/s/files/1/0002/2039/7595/files/iF_DesignAward2023_red_l_RGB_100x100.png?v=1702555074)
![](https://cdn.shopify.com/s/files/1/0002/2039/7595/files/GDA24_HO_WINNER_MC_RGB_100x100.png?v=1702545389)
Find out what makes our timepieces so special by reading on.
![](http://uk.sternglas.com/cdn/shop/files/SaphirglasMohsScale_1500x.jpg?v=1681398975)
Worry-free thanks to sapphire crystal
We only use sapphire crystal for our timepieces. This type of watch glass is usually found in the luxury watch market.
For a perfect view of the dial, we apply a double anti-reflective coating to the sapphire crystal.
What exactly is sapphire crystal?
What exactly is sapphire crystal?
Sapphire is the third hardest transparent material in the world - after diamond and moissanite.
Curved sapphire crystal not only looks good, it makes the durable watch crystal even more resistant.
This makes it virtually impossible for your sapphire crystal watch to get scratched in everyday life.
![](http://uk.sternglas.com/cdn/shop/files/Naos_Uhrwerk_1500x.jpg?v=1681391612)
Mechanical movement for technology lovers
![](http://uk.sternglas.com/cdn/shop/files/Naos_A_Weiss_ausgezeichnet_IF_1500x.jpg?v=1681399670)
Awarded with the iF Design Award 2020
![](http://uk.sternglas.com/cdn/shop/files/team_wework_1500x.jpg?v=1733415278)
Why we make Bauhaus watches?
In your search for a classic and durable watch, you are faced with 2 alternatives today:
1. you can buy a watch from a luxury manufacturer for a very high price, or
2. a watch from a trendy brand whose quality is as short-lived as the trend that made the brand popular.
Moin! I'm Dustin Fontaine, Founder of STERNGLAS...
Read more
Read more
When I worked in a watch manufactory during my school days and was looking for a watch for myself, I realised that there would have to be a 3rd alternative.
3. Since 2016, we have been breaking new ground and developing timeless Bauhaus-style watches that will outlive trends and continue to give pleasure for many years to come. And all that at a fair price.
In the meantime, over 53,000 watch lovers are convinced of our mission and our watch design has received several awards.
Find out what makes our timepieces so special by reading on.
![](http://uk.sternglas.com/cdn/shop/files/Miyota8215_1500x.jpg?v=1681391287)
The engine on your wrist: the Miyota 8215
![](http://uk.sternglas.com/cdn/shop/files/Naos_Armband_1500x.jpg?v=1704179838)
Velvety soft leather strap made in Germany
![](http://uk.sternglas.com/cdn/shop/files/x500_high_quality_1_1500x.gif?v=1681398297)
Easy strap change without tools
Thanks to the quick-change system, you can give your timepiece a new look in just 10 seconds:
1 — Slide the pin of the spring bar inwards.
2 — Pull the strap off the watch.
3 — Put on a new strap by sliding the pin inwards again and inserting the spring bar one after the other into the holes in the case.
Technical Details
S02-NA01-PR04
Dimensions
![](http://uk.sternglas.com/cdn/shop/files/Naos_A_Front_400x.jpg?v=12673897129570700297)
Diameter | 38 mm |
Case height | 12 mm |
Strap lug | 20 mm |
Lug to lug | 43 mm |
Details
![](http://uk.sternglas.com/cdn/shop/files/Naos_A_Halbvogel_x200.jpg?v=2582742250176305383)
Case material | 316L stainless steel, polished |
Watch crystal | Domed sapphire crystal, double anti-reflective coating |
Dial | white |
Hand colour | blue |
Water resistance | up to 5 atm |
Movement & Strap
![](http://uk.sternglas.com/cdn/shop/files/Naos_A_Uhrwerk_x200.jpg?v=13785579652367114338)
Movement | Miyota 8215 Automatic |
Accuracy | -20/+40 Sec/Day |
Frequency | 21.600 A/h = 3 Hertz |
Max. Powerreserve | 42 hours |
Functions | three hands, date, manual wind |
Strap | Premium 20 brown, genuine calfskin |
![](http://uk.sternglas.com/cdn/shop/files/PDP_Presse_NaosA_Watchtime_1500x.jpg?v=1681390592)
The Naos Automatik in the press
Wristshots from the STERNGLAS Community
Any questions left?
Can I order the watch with a different strap?
How is the movement maintained?
Did you know that... ?
![](http://uk.sternglas.com/cdn/shop/files/service_2_1500x.jpg?v=1703157938)
We are there for you!
Give us a call:
Mon. 10am – 6pm CET.
Tue. to Fri. 10am – 4pm CET.
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