Indulge your passionate side and stargaze with a G-STEEL inspired by Mars. The GSTB400MV bezel comes in reddish copper to evoke the hue of Mars. Connect to your smartphone via Bluetooth® and the dedicated G-SHOCK CONNECTED app coordinates with Internet timeservers to keep you on time, wherever you are in the world.

Other Colors
  • Image of watch model GSTB400D-1A
  • Image of watch model GSTB400-1A
  • Image of watch model GSTB400CD1A3
  • Image of watch model GSTB400X-1A4

    Out of Stock

  • Image of watch model GSTB400BD1A2

    Out of Stock


  • Tough Solar Power

    Tough Solar ensures stable operation while using power-hungry functions

  • Bluetooth Connectivity

  • 200M Water Resistant


  • 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
  • Size of case : 46.6×49.6×12.9mm
  • Total weight : 160g
  • Case / bezel material: Resin / Stainless steel
  • Resin Band
  • Mineral Glass
  • Neobrite
  • Shock Resistant
  • Carbon Core Guard structure

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Limited Edition