The Junghans Force Mega Solar 18/1938.44 is a radio-controlled solar-powered watch featuring a multi-frequency movement (J615.84) with a power reserve of up to 21 months. It includes a big date display and enters sleep mode after 72 hours to conserve energy. The 40.4 mm matte ceramic case is paired with a matching ceramic bracelet and a titanium folding clasp. The black dial, protected by a sapphire crystal, has luminous hands and indices for enhanced readability. Water-resistant up to 50 meters, this timepiece combines advanced technology with durable materials. Reference number: 18/1938.44.