G-STEEL with Bluetooth® & Tough Solar:
Full fucntionality at your fingertips
These watches connect to smartphones via Bluetooth®, enabling automatic time correction and easy configuration of various functions through the app. They are also equipped with Tough Solar, which converts light into power to support stable operation. The design combines the strength of a metal exterior with advanced features for practical everyday use.
GST-B400
Original, functional beauty enabled by combining materials
The watch features an independent bezel composed of multiple intricately shaped metal parts. Paired with a carbon fiber-reinforced resin case, the design achieves a bold balance of strength and style, delivering toughness with refined aesthetics.