Junghans
Spektrum Mega Solar 18/1425.44
41.6mmCurrent Production
Cool stainless steel, scratch-resistant ceramics and waterproof up to 10 bar, the Spektrum Mega Solar is our sportiest radio-controlled watch. The internal workings of the Junghans multi-frequency radio-controlled movement is powered by the energy of the sun. Not only has the Spektrum Mega Solar proven itself to be incredibly accurate, but is also an extremely eco-friendly timekeeper requiring fewer resources.
Source: Junghans website, last updated Mar 2026
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