UNO plus Automatic Carbon

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UNO plus Automatic Carbon from BOTTA

The UNO plus Carbon is the new and somewhat larger (44 mm) automatic version from the UNO series featuring a black dial. Its one-hand display principle is still exactly the same as that used in the original UNO one-hand watch invented by Klaus Botta in 1986, however.

The design of the display

The visibly enlarged dial of the UNO plus Carbon takes up almost the entire watch face. The higher resolution of the scale, which has been extended right out to the edge of the dial, thereby achieves even better readability. A clear explanation of the one-hand watchprinciple can be found here.

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The case design: a symbiosis of design and function

The UNO plus Automatic Carbon is the UNO design classic from BOTTA – brought to perfection. By increasing the diameter of the watch to 44 mm and creating a slimmer case edge, the watch has an even more elegant and generous appearance.

Good design is about more than merely aesthetics. Apart from the sophisticated display, this is also evident in the special design of the newly developed underside of the case. The strap lugs are concealed beneath the dial to save space. Despite its considerable diameter of 44 mm, the UNO plus Carbon can therefore also be worn on relatively slim wrists.

The sloped sides of the underside of the case allow the wrist much more freedom of movement, while at the same time enabling the air to circulate better. The unusual way in which the underside is designed makes this automatic watch – which at 8.8 mm is already very flat – appear even slimmer.

The dual-domed sapphire glass rounds off the elegant lines of this watch. Anti-reflective coating on both sides gives a much clearer view and adds a refined bluish shimmer to the significantly reduced glass reflections.

UNO plus Automatic Carbon
Botta Uhr

The movement: refined, robust and reliable

BOTTA design has opted to use the ETA 2824.2 Swiss-made automatic movement, which is one of the most reliable mechanical movements available. In addition, the movement of every single UNO plus Carbon spends several days being carefully adjusted for maximum precision by an experienced watchmaker.

Following manual assembly, every single UNO plus Carbon one-hand watch then undergoes two independent test routines and several accuracy checks. Only once it has completed all the tests and checks successfully will the UNO plus Carbon be shipped out to you.

Technical data


How to set your watch correctly

Easily comprehensible step-by-step instructions showing how to correctly set your Botta wristwatch can be downloaded here. Depending on the particular functions of your watch, the setting options will differ in some cases considerably. You will always find the instructions for your individual model in the section entitled “How to set your watch correctly”. If you still find you have some questions, please do not hesitate to call us directly.

Print out your own model

You can download a realistic cut-out model of this watch in PDF format here and print it out. You can then cut out the 1:1 paper model and place it on your wrist like a real watch. The model will give you a realistic impression of the size of the watch and how it will look on your wrist. For best results, use a good-quality colour printer and stable glossy paper. Enjoy trying on the “watch”!


for this model

  • Auszeichnung Design Plus Award
  • Auszeichnung Good Design
  • Auszeichnung Product Design Award
  • Auszeichnung Museum für angewandte Kunst Frankfurt
  • Auszeichnung Design Zentrum Nordrhein Westfahlen
  • Auszeichnung Reddot Design Award
  • Auszeichnung Bundespreis Produktdesign
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    Four-week exchange period

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    Two-year warranty

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    Fast shipping

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    Pioneer of one-Hand watch

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    30 years of experience

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