Casio G-Shock GA-B2100DF-4ADR Charles Darwin Foundation Collaboration – Tough Solar Bluetooth Watch

Bring purpose and performance together with the Casio G-Shock GA-B2100DF-4A, a remarkable special-edition collaboration created with the Charles Darwin Foundation. This striking timepiece celebrates the biodiversity of the Galápagos Islands and takes inspiration from the colorful Sally Lightfoot Crab, known for its vivid red and orange tones. The bold color scheme transforms the iconic “CasiOak” silhouette into a standout collector's piece with a meaningful environmental story behind it. Casio designed this as part of its fourth collaboration with the Charles Darwin Foundation focused on conservation awareness.

Built on the popular GA-B2100 platform, this model combines G-Shock’s legendary durability with modern connected technology. Featuring the iconic octagonal case design, Carbon Core Guard structure, and bio-based resin components, the watch offers lightweight comfort while reducing environmental impact. The dial also includes subtle design elements inspired by the Galápagos Islands, while playful crab details appear on the indicator hand and band loop.

Engineered for everyday performance, the GA-B2100DF-4A features Tough Solar charging and Bluetooth smartphone connectivity through the CASIO WATCHES app. Users can enjoy automatic time synchronization, world time access across hundreds of cities, reminders, phone finder functionality, and simplified watch settings directly from their smartphone.

Like every true G-Shock, durability remains at its core. With shock resistance, 200-meter water resistance, Super Illuminator double LED lighting, multiple alarms, countdown timer, stopwatch functions, and a long-lasting rechargeable power system, this watch is built for both daily wear and adventure.

Perfect for collectors, outdoor enthusiasts, and fans of limited collaboration pieces, the GA-B2100DF-4A combines meaningful storytelling, rugged performance, and modern technology in one distinctive package.