Casio G-Shock Tough Solar Multiband 6 watch.

Tough Solar: Features solar-charging technology that converts light from various sources (including fluorescent lamps) into energy to power the watch and store surplus energy in a rechargeable battery, eliminating the need for regular battery changes.
Multiband 6: Equipped with radio-controlled timekeeping, allowing it to receive standard time radio wave transmissions from six regions worldwide (Japan, North America, UK, Germany, and China) for accurate time synchronization.
Shock Resistant: Designed with the robust G-Shock construction, providing durability and resistance to impacts.
Water Resistant: Offers water resistance suitable for various activities. Power Saving: Includes a power-saving function that automatically engages when the watch is in the dark for an extended period, conserving energy.