CASIO G-SHOCK GBX-100S-2DR G-LIDE SURF TIDE MIP DIGITAL BLUE WATCH

The GBX-100S-2DR is the G-LIDE — G-Shock's purpose-built surf and fitness watch. While most G-Shocks are designed around toughness and timekeeping, the GBX-100 is designed around the ocean. Tide graphs for approximately 3,300 surf spots worldwide, moon age and moon phase data, sunrise and sunset times with daylight pointers, and training functions that track distance, speed, pace, and calories burned — all displayed on a high-definition Memory-in-Pixel (MIP) LCD that's readable in direct sunlight. The dual-material bezel — stainless steel top with mirror-finished bevelled edges over a glossy translucent blue resin base — evokes shimmering ocean waves catching sunlight. The blue colourway leans into the coastal identity more directly than the black variant. Bluetooth connects to the CASIO WATCHES app and syncs with Strava for workout logging.

Module 3482 is a digital platform built for active use: the bio-based urethane band has drainage slits for water and sweat runoff, the vibration motor delivers silent alerts for notifications (calls, emails, social media, calendar), the interval countdown timer supports up to five time settings with auto-repeat (1–20 cycles) for training, and the training function logs up to 100 runs with 140 laps per run. World time across 38 time zones with auto daylight saving switching. At 50.9 × 46 × 14.7 mm and 66 grams — light enough for long surf sessions and distance runs. Shock resistant, 200-metre water resistant. CR2032, approximately two-year battery life.

At a Glance

Why You'll Love It

• The tide graph is the G-LIDE's defining function — and the reason surfers, divers, and coastal adventurers choose it over standard G-Shocks. Use the CASIO WATCHES app to select any of approximately 3,300 major surf spots worldwide, and the watch displays location-specific tide patterns — high and low tide times, tide levels, and a graphical tide curve — directly on the MIP LCD. Moon age and moon phase data complement the tide information, and sunrise/sunset times with daylight pointers let you plan sessions around available light.
• The MIP LCD (Memory-in-Pixel) is a fundamentally different display from the standard LCD on other G-Shocks. It delivers higher resolution, sharper numerals, and clearer graphical readouts — the tide graph, training data, and notifications are all visually crisp. MIP displays are also readable in direct sunlight without a backlight, which matters when you're on the water or on a trail.
• The training functions track distance, speed, pace, and calories burned using the built-in accelerometer, with auto and manual lap timing, auto pause, and customisable display fields. Up to 100 training runs are stored with 140 laps per run. Strava compatibility lets you sync workouts directly. The interval countdown timer supports up to five time settings with 1–20 auto-repeats — built for HIIT, interval training, and structured sessions.
• Vibration alerts deliver silent notifications for incoming calls, emails, social media posts, calendar events, and reminders via Bluetooth. No buzzer needed — the watch vibrates on your wrist. Useful during early-morning surf checks, late-night runs, or any situation where an audible alert is unwelcome.
• The dual-material bezel — stainless steel top with mirror-finished bevelled edges layered over a glossy translucent resin base — is a design element unique to the GBX-100S. The combination evokes waves catching sunlight: metallic shimmer on top, translucent depth underneath. It's a surf-inspired detail that gives the watch a summery, coastal identity.
• The bio-based urethane band with drainage slits is engineered for water use — the slits channel water and sweat away from the skin for faster drying and better comfort during extended wear in wet conditions. At 66 grams, the GBX-100S is lighter than most analog-digital G-Shocks, making it comfortable for long surf sessions and distance runs alike.

Perfect For

Key Features

• Tide graph — ~3,300 surf spots — Location-specific tide patterns, high/low tide times and levels, tide curve on MIP LCD. Select spots via the CASIO WATCHES app.
• Moon data + sunrise/sunset — Moon age, moon phase, sunrise and sunset times with daylight pointers. Plan surf sessions around tides, moonlight, and daylight.
• Training functions + Strava — Distance, speed, pace, calories, auto/manual lap, auto pause. Up to 100 runs / 140 laps. Strava sync via Bluetooth.
• MIP LCD (Memory-in-Pixel) — High-definition digital display. Sharp graphics, sunlight-readable. Clearer than standard G-Shock LCD.
• Vibration + smartphone notifications — Silent vibrating alerts for calls, emails, social media, calendar, reminders. No audible buzzer needed.
• 200-metre water resistance (20 BAR) — Built for surfing, swimming, snorkelling, and extended water use.

Technical Specifications

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