Junghans Watch Force Mega Solar. 18/1002.00 This Junghans Force Mega Solar watch combines the latest technology of radio controlled solar movements with a lightweight ceramic design. The multi frequency radio controlled solar J615.84 calibre housed within this watch is completely independent of limited energy resources and provides exact timekeeping on three continents using only the power of sunlight. The German made watch movement also boasts a power reserve of up to 21 months, a big date window at 6 o clock and sleep mode after 72 hours. The Junghans Force Mega Solar watch continues to impress with a striking polished black ceramic case that is not only lightweight but highly impervious to scratches. The case measures to 40.4mm in width and a sleek 8.2mm in height allowing it to mould elegantly and comfortably to the wrist. The Junghans Mega Force watch is also fitted with a synthetic rubber strap and a titanium folding clasp for further ease and comfort. The dial is breathtaking, crafted from mineral crystal and decorated with environmentally friendly luminous hands. Last but not least, this solar powered watch is water resistance to 50 metres and comes fitted with sapphire crystal glass with anti-reflective treatment.