Ebay offers Garmin Instinct Solar Tactical, Rugged Outdoor Smartwatch with Solar Charging Capabilities for $289.99 (reg $449.99) with free shipping.

Product Description:
You forge your own path, so we forged the Instinct Solar GPS watch to keep up every step of the way — no matter how far you tread.

• Experience unprecedented battery life with solar charging.
• Military standard toughness lets you play rough without worry.
• GPS, GLONASS and Galileo. Your 3 best friends in the wild.
• Train smarter with built-in sports apps right on your wrist.
• Get notifications straight from your phone to your wrist.
• Do more. Charge less. Get up to 54 days in smartwatch mode.