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THE QUESTION AND ITS ORIGIN
SPECIALIZING IN SUSTAINABLE SOLAR WATCH SINCE 1995
The vision behind SOLARUM:
To create a watch that lasts for decades, requires no battery changes, and remains modern, robust, and elegant. The answer lay in the sun – as an inexhaustible energy source.
TECHNICAL DEVELOPMENT
DESIGN, DEVELOPMENT & MANUFACTURING IN LANGENTHAL
For decades, we have been deeply rooted in the world of Swiss watchmaking. Our own journey began in 1995: In Langenthal, we developed a watch powered by light – low-maintenance, durable, and independent of the battery market. As a family business, we think long-term: Quality, responsibility, and a spirit of innovation characterize every single model. With every Solarum, not only does time grow – but so does a piece of a sustainable future.
From Langenthal. Out of passion. Out of conviction.



SUSTAINABILITY & MATERIALS
ENERGY FROM LIGHT - MATERIALS THAT LAST
Beneath the dial is a solar cell that stores energy for up to 8 months. The high-performance battery lasts up to 20 years – without ever needing a replacement. A 316L stainless steel case, sapphire crystal, and vegan straps make each watch exceptionally durable.
IMPACT & PHILOSOPHY
A LONG-LASTING COMPANION - SINCE 1995
SOLARUM watches have accompanied people worldwide for decades. Many customers still wear their first watch from the 90s – proof of quality, sustainability and timeless design.


MORE THAN A TIMEKEEPER
SOLARUM is a symbol – of mindfulness, of responsibility, of you. A silent promise to our planet. With every watch, you choose lasting quality. Technology without battery changes. A future that matters.
WHY SOLAR ENERGY? BECAUSE IT CHANGES EVERYTHING
A LONG-LASTING COMPANION – SINCE 1995
In just one hour, the sun provides more energy to Earth than humanity uses in an entire year. A clean, silent, and reliable source of power, it is not merely an alternative—it is the key to true sustainability.





