G-Shock GSTB100D-1A Bluetooth Solar G-Steel Analog-Digital Watch – Stainless Steel

Combining refined design with rugged performance, the G-Shock GSTB100D-1A from the G-Steel series offers premium durability and advanced features for everyday wear. The robust stainless steel case and bracelet deliver a sleek, polished look while providing G-Shock’s signature shock resistance and 200-meter water resistance—ideal for work, travel, and outdoor adventures.

Powered by Tough Solar technology, this watch recharges through natural and artificial light, ensuring long-lasting performance without frequent battery changes. Bluetooth connectivity allows easy pairing with the CASIO WATCHES app for automatic time adjustment, world time settings, phone finder, and simplified control of watch functions. The hybrid analog-digital display includes world time, stopwatch, countdown timer, multi-function alarms, and full auto-calendar for versatile timekeeping.

Super Illuminator LED lighting ensures visibility in low-light conditions, while magnetic resistance adds an extra layer of durability. With a refined yet rugged aesthetic, the GSTB100D-1A is a versatile timepiece that delivers both style and performance.
Key Specifications:
• Case & Bezel: Stainless steel layered guard structure
• Band: Stainless steel bracelet
• Shock resistant
• Water resistance: 200 meters / 20 bar
• Tough Solar (solar powered)
• Bluetooth smartphone connectivity
• Display: Analog and digital
• Super Illuminator LED light
• World time (multiple cities/time zones)
• Stopwatch and countdown timer
• Multi-function alarms and hourly signal
• Full auto-calendar
• Magnetic resistant
• Approx. battery life: Solar rechargeable (varies by use)
• Case size: Approx. 58.1 × 53.8 × 14.1 mm
• Weight: Approx. 185 g

The G-Shock GSTB100D-1A is a sophisticated fusion of strength and smart technology—perfect for those who want cutting-edge features paired with a polished, all-day wearable design.