GST-S100G-1A

The Casio G-Shock G-STEEL GST-S100G-1A is a premium, rugged analog-digital watch featuring a black resin band and a gold ion-plated stainless steel body. As part of the G-STEEL lineup, it bridges the gap between classic G-Shock durability and a sophisticated, metallic aesthetic.

Key Specifications

Dimensions: 59.1 × 52.4 × 16.1 mm

Weight: 97 grams

Case/Bezel Material: Resin and Gold Ion-Plated Stainless

SteelGlass: Mineral Crystal

Water Resistance: 200 meters (20 Bar)

Core FeaturesTough Solar Power: Charged by any light source. Features a power-saving mode and a built-in battery level indicator.Layer Guard Structure: A dual-layer bezel system combining metal and resin to maximize impact absorption.Double LED Light: Equipped with a high-brightness Super Illuminator for both the analog face and the digital sub-dials.World Time: Covers 31 time zones across 48 cities, complete with daylight saving toggles.Timekeeping Tools: 1/100-second stopwatch, 100-minute countdown timer, 5 daily alarms, and a full auto-calendar valid through 2099.