Casio G-Shock GM-5600U-1DR

This professional product description is designed for the GM-5600 series, a metal-clad evolution of the original square G-SHOCK that balances premium aesthetics with rugged durability.

Product Overview

The evolution of toughness takes a sophisticated turn with the GM-5600 series. This model reimagines the iconic square design of the original 5600 series by introducing a hard stainless steel bezel cover over a lightweight resin inner case. The result is a timepiece that exudes a high-quality, "chic" feel while maintaining the legendary shock resistance G-SHOCK is known for.

Featuring a sleek inverted LCD and a polished metallic finish, this watch is refined for modern wearability. It perfectly honors the heritage of the first-generation G-SHOCK while providing a premium exterior that transitions effortlessly from casual streetwear to a more formal, upscale look.

Major Features

• Metal-Clad Design: A forged stainless steel bezel with a rounded hairline finish provides a premium metallic texture and superior durability.
• 5-Year Battery Life: Engineered for long-term reliability, providing approximately five years of power on a single battery.
• Shock & Impact Resistant: Built with a hybrid resin and steel construction to withstand heavy impacts and vibrations.
• 20-Bar Water Resistance: Fully equipped for high-pressure water environments, including swimming, snorkeling, and marine activities.
• Super Illuminator LED: Features a high-brightness white LED backlight and a flash alert system for maximum visibility in total darkness.

Technical Specifications

Basic Information

• Case Size (L× W× H): 49.6 × 43.2 × 12.9 mm
• Weight: 73 g (Lightweight and comfortable for all-day wear)
• Case & Bezel Material: Resin / Stainless Steel
• Band: Durable Resin Band (Compatible with 145 to 215 mm wrist sizes)
• Glass: Scratch-resistant Mineral Glass
• Power Supply: Approx. 5-year battery life on CR2016

Watch Features

• Stopwatch: 1/100-second precision for the first 60 minutes; 1-second units after 60 minutes. Measuring modes: Elapsed time, split time, and 1st-2nd place times.
• Countdown Timer: 24-hour range with 1-second units and auto-repeat functionality.
• Alarm/Time Signal: Multi-function alarm and hourly time signal.
• Flash Alert: The display flashes with a buzzer for alarms, hourly signals, and countdown timers.
• Light: LED backlight (Super Illuminator) with afterglow; Light color: White.
• Calendar: Full auto-calendar (pre-programmed to the year 2099).
• Accuracy: ±15 seconds per month.
• Other: 12/24-hour format and standard digital timekeeping (Hour, minute, second, pm, month, date, day).

Design and Craftsmanship

The Square Evolution

By optimizing the placement of resin and steel, Casio has achieved a slim 12.9mm profile. This makes it one of the most wearable G-SHOCK models, sitting perfectly under jacket sleeves or shirt cuffs without sacrificing structural integrity.

Premium Metallic Finish

The bezel undergoes meticulous forging and polishing to achieve its mirror-like gleam. The contrast between the stainless steel exterior and the inverted digital display creates a minimalist, high-tech aesthetic that defines contemporary watch quality.