Casio G-Shock GD-100-1B – Men’s Digital Sport Watch with Black Display

Casio G-Shock GD-100-1B Watch:

The Casio G-Shock GD-100-1B is a robust men's digital watch from the G-Shock Standard Digital collection, designed for high durability, sports, and outdoor activities. Built around a stealthy black resin case with signature red accents and a large negative LCD display, it delivers exceptional shock resistance and 200-meter water resistance. Powered by Casio's precise Module 3263 digital quartz movement, this tactical model features high-intensity Super Illuminator LED lighting, multi-time tracking, and a long-lasting 7-year battery life.

Brand: Casio

Collection: G-Shock Standard Digital, men's digital watch.

Movement: Digital quartz, Casio Module 3263 (precise and low-maintenance).

Case: Black resin, approximately 55 × 51.2 mm in diameter and 17.4 mm thick.

Crystal: Mineral crystal.

Bracelet / Strap: Black resin strap with buckle, approximately 23 mm wide.

Water resistance: 20 bar (200 m), suitable for swimming and water activities without scuba diving equipment.

Main functions:

– Digital timekeeping displaying hours, minutes, seconds, date, and day of the week.

– World Time covering 31 time zones across 48 cities and UTC, featuring home city/world time city swapping.

– Multi-Time function allowing simultaneous tracking of up to 4 different cities.

– 1/100-second stopwatch with a measuring capacity up to 23 hours, 59 minutes, and 59.99 seconds.

– 24-hour countdown timer adjustable in increments of 1 second, 1 minute, or 1 hour.

– Five independent alarms (daily or one-time) and hourly time signal.

– Flash alert function that blinks alongside alarm and countdown timer alerts.

– Full auto-calendar pre-programmed through the year 2099.

– 12/24-hour timekeeping format with an accuracy of approximately ±15 seconds per month.

– Operable button tone on/off setting to mute button sounds.

– Signature G-Shock shock resistance to protect against impacts and vibrations.

Design highlights:

– High-contrast negative black LCD display with oversized digital segments for quick legibility.

– Stealthy black resin bezel and strap punctuated by brand-signature red color accents.

– High-intensity white LED backlight (Super Illuminator) featuring selectable flash duration and auto-light switch.

– Lightweight 72-gram construction designed to remain comfortable on the wrist during active wear.

– Extended 7-year battery life powered by a single CR2025 cell.

Style: Sporty, robust, functional, modern digital watch.

Gender: Men's.

Warranty: Product issue support available. If you experience any issue with your watch, please contact us and we’ll review the case and assist you with the next steps.

About the G-Shock Standard Digital Collection:

The G-Shock Standard Digital collection represents Casio's core philosophy of ultimate toughness and utilitarian design. Built to withstand extreme shocks, vibrations, and severe environmental conditions, these timepieces combine lightweight resin cases with robust internal structures and 20 bar (200 m) water resistance. Designed for sports, tactical use, and daily outdoor wear, the line emphasizes maximum legibility, multi-function utility, and low-maintenance reliability across demanding environments.

Within this legendary lineup, the Casio G-Shock GD-100-1B stands out with its bold case dimensions, high-contrast negative LCD screen, and high-intensity Super Illuminator white LED backlight. Driven by the efficient Casio Module 3263, it integrates multi-city time monitoring across 4 destinations, detailed timing capacities, and an impressive 7-year battery life on a CR2025 battery. Its stealthy black aesthetic accented by signature red details makes it a practical, highly functional choice for active daily use.