Junghans is a pioneer in radio-controlled watch technology and is also at the forefront of solar energy for watches. These two technologies are combined in the Force Mega Solar model. The Connected radio-controlled solar movement calibre J615.84 draws its energy from a power reservoir that is continuously charged by solar cells in the dial. The entire device is housed in a ceramic case that is both lightweight and scratch-resistant. This watch combines high wearing comfort and coolness with enormous everyday usability.

Caliber: J615.84

Movement: Multi-frequency radio-controlled solar movement

Case Material: Polished ceramic

Case Diameter: 40.4 mm

Case Height: 8.2 mm

Case Back: Ceramic case back retained by 4 screws

Hands and Markers: Hour and minute hands with environmentally-friendly luminous substance, tip of the second hand matches the color of the hour indices

Glass: Anti-reflective sapphire crystal

Dial: Black

Water Resistance: Up to 5 bar

Strap: Ceramic strap with ice-grey synthetic rubber elements

Functions:

• Big date
• Perpetual calendar
• App-connected
• Radio reception in Europe, UK, Japan, and USA
• Power reserve up to 21 months
• Automatic energy-saving mode after 72 hours