Junghans Watch Max Bill MEGA Solar Sapphire Crystal 59/2021.02. Max bill MEGA Solar - Its minimalist design is timeless, and all of the power it requires is provided naturally from the sun. Due to its titanium composition, the watch is surprisingly light and has an extremely pleasant feel on the skin. A state-of-the-art radio-controlled movement, perpetual calendar and effortless adjustment of the time zones are included for added comfort. Time zones can be set either using the crown or in a matter of seconds via Junghans own time signal from the Junghans MEGA App. The design of the max bill MEGA Solar is also very indicative of its sustainability: That quintessential, minimalistic Bauhaus style is simply timeless, conforming with the fashion of yesterday, today, tomorrow and beyond.