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Casio G-Shock - GSTB100 Series

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Casio G-Shock - GSTB100 Series

Tough, innovative, functional beauty — reimagined in sharp, minimalist style.

The GST-B1000D carries on the G-SHOCK heritage of tough construction and design rooted in functional beauty, reconstructing this legacy to achieve a polished, sleek expression.

The bezel goes logo-free for a clean, modern look, while three separate finishes — vertical hairline, circular hairline, and mirror polishing — create a rich and sophisticated textural appeal that changes as light is reflected at different angles. The mirror- and hairline-finished solid stainless-steel band is paired with a tri-fold clasp also crafted from solid stainless steel. This sharp, flat design takes you from business meetings to casual settings to outdoor activities with ease.

They’ve incorporated details from the DW-5000C, the very first G-SHOCK, adding sporty touches like the original’s signature bezel shape and brick pattern. 

This is a timepiece built to be tough. A metal bezel guards against impact, while the carbon-reinforced resin case protects the module. Urethane buffering components where the metal band meets the case absorb shock and reduce stress on the joints — enhancing durability and ensuring a more secure connection. Adhesive glass bonding and a compact module design make for a slimmer, lighter watch, without compromising shock resistance. All of this comes together in an exacting combination of comfort, toughness, and everyday usability.

Compact form, minimalist design, and rugged performance — this timepiece is an all-around companion, ready for whatever comes your way.

Specifications

  • Case size (L× W× H): 46.9 × 44.2 × 11.6 mm
  • Weight: 118 g
  • Case and bezel material: Bio-based Carbon / Stainless steel
  • Band: Solid stainless steel band
    One-touch 3-fold Clasp
  • Construction
    Shock Resistant
    Carbon Core Guard structure
  • Water resistance: 200-meter water resistance
  • Time adjustment
    Bluetooth: Connects to a smartphone and automatically adjusts the time
  • Power supply and battery life: Tough Solar (Solar powered)
  • Country Of Origin: Thailand
  • Mobile link (Wireless linking using Bluetooth®)
  • App connectivity feature
    Auto time adjustment
    Easy watch setting
    Time & place
    Phone finder
  • Glass: Mineral Glass
  • Crown: Screw Lock Crown
  • Compatible band size: 150 to 205 mm
  • Stopwatch: 1-second stopwatch Measuring capacity: 29'59 (30 minutes) Measuring mode: Elapsed time
  • Timer
  • Countdown timer Measuring unit: 1 second Countdown range : 30 minutes Countdown start time setting range : 1 minute to 30 minutes (1-minute increments)
  • Alarm/hourly time signal
  • Daily alarm
  • Light
  • LED light (Super Illuminator) Afterglow
  • Light colour LED: White
  • Calendar
  • Full auto-calendar (to year 2099)
  • Energy saving feature
  • Power Saving (hands stop to save power when the watch is left in the dark)
  • Battery display/alert
  • Low battery alert
  • Run time
  • Approx. battery operating time: 5 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
  • Accuracy
  • Accuracy: ±15 seconds per month (with no mobile link function)
  • Other features
  • Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second),
    2 dials (24-hour, day)
    Day indicator
    Date display
$113.58

Original: $324.52

-65%
Casio G-Shock - GSTB100 Series

$324.52

$113.58

Product Information

Shipping & Returns

Description

Tough, innovative, functional beauty — reimagined in sharp, minimalist style.

The GST-B1000D carries on the G-SHOCK heritage of tough construction and design rooted in functional beauty, reconstructing this legacy to achieve a polished, sleek expression.

The bezel goes logo-free for a clean, modern look, while three separate finishes — vertical hairline, circular hairline, and mirror polishing — create a rich and sophisticated textural appeal that changes as light is reflected at different angles. The mirror- and hairline-finished solid stainless-steel band is paired with a tri-fold clasp also crafted from solid stainless steel. This sharp, flat design takes you from business meetings to casual settings to outdoor activities with ease.

They’ve incorporated details from the DW-5000C, the very first G-SHOCK, adding sporty touches like the original’s signature bezel shape and brick pattern. 

This is a timepiece built to be tough. A metal bezel guards against impact, while the carbon-reinforced resin case protects the module. Urethane buffering components where the metal band meets the case absorb shock and reduce stress on the joints — enhancing durability and ensuring a more secure connection. Adhesive glass bonding and a compact module design make for a slimmer, lighter watch, without compromising shock resistance. All of this comes together in an exacting combination of comfort, toughness, and everyday usability.

Compact form, minimalist design, and rugged performance — this timepiece is an all-around companion, ready for whatever comes your way.

Specifications

  • Case size (L× W× H): 46.9 × 44.2 × 11.6 mm
  • Weight: 118 g
  • Case and bezel material: Bio-based Carbon / Stainless steel
  • Band: Solid stainless steel band
    One-touch 3-fold Clasp
  • Construction
    Shock Resistant
    Carbon Core Guard structure
  • Water resistance: 200-meter water resistance
  • Time adjustment
    Bluetooth: Connects to a smartphone and automatically adjusts the time
  • Power supply and battery life: Tough Solar (Solar powered)
  • Country Of Origin: Thailand
  • Mobile link (Wireless linking using Bluetooth®)
  • App connectivity feature
    Auto time adjustment
    Easy watch setting
    Time & place
    Phone finder
  • Glass: Mineral Glass
  • Crown: Screw Lock Crown
  • Compatible band size: 150 to 205 mm
  • Stopwatch: 1-second stopwatch Measuring capacity: 29'59 (30 minutes) Measuring mode: Elapsed time
  • Timer
  • Countdown timer Measuring unit: 1 second Countdown range : 30 minutes Countdown start time setting range : 1 minute to 30 minutes (1-minute increments)
  • Alarm/hourly time signal
  • Daily alarm
  • Light
  • LED light (Super Illuminator) Afterglow
  • Light colour LED: White
  • Calendar
  • Full auto-calendar (to year 2099)
  • Energy saving feature
  • Power Saving (hands stop to save power when the watch is left in the dark)
  • Battery display/alert
  • Low battery alert
  • Run time
  • Approx. battery operating time: 5 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
  • Accuracy
  • Accuracy: ±15 seconds per month (with no mobile link function)
  • Other features
  • Regular timekeeping: Analog: 3 hands (hour, minute (hand moves every 10 seconds), second),
    2 dials (24-hour, day)
    Day indicator
    Date display

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