G-STEEL GST-B400-a Series GST-B400MV-5AA

Inspired by the mystique of Mars and Venus, the GST‑B400MV‑5A showcases a reddish‑copper bezel, evoking Mars’s hue, paired with subtle brown and gold accents—striking vibrant contrast in a G‑STEEL timepiece. Designed to link with your smartphone via Bluetooth, this watch offers smart connectivity and precise timekeeping directly from an internet time server.

• Shock‑Resistant Build and 200 m Water Resistance — crafted for durability and everyday use

• Tough Solar Power — solar-charged, ensuring reliable performance without battery swaps.

• Bluetooth (Mobile Link) — auto adjusts time, world time across 300+ cities, reminders, and phone finder features via companion app.

• Dual LED Super Illuminator — bright lighting for both analog and digital displays for easy reading at night.

• Slim G‑STEEL Design — only 12.9 mm thin, using Carbon Core Guard structure for lightweight durability.

• Useful Timekeeping Functions: hand-shift design, world time (38 zones), stopwatch, countdown timer, 5 alarms, and full auto-calendar through 2099.