Unisex Digital Watch Casio G-Shock JDM DW-6900RRB-4JF (Resin Biomass)

Short Description

The Casio G-Shock DW-6900RRB-4JF is an exclusive Japanese Domestic Market (JDM) edition that reimagines the iconic and rugged silhouette of the classic “Three-Eye” 6900 with a sustainable approach. Its eye-catching vibrant red biomass resin finish combines G-Shock’s indestructible DNA with modern eco-friendly engineering. Equipped with the 3529 caliber, this model offers maximum durability and digital functionality in a collector’s piece with a distinct urban and sporty character.

Technical Specifications

Feature Technical Detail

Model Number DW-6900RRB-4JF (JDM)

Module / Caliber 3529 (Japanese Quartz)

Accuracy $\pm15$ seconds per month

Case Material Eco-friendly biomass-based resin

Case Dimensions $53.2 \times 50.0 \times 18.7 \text{ mm}$

Crystal Scratch-resistant mineral glass

Strap Biomass resin with buckle closure

Water Resistance 200 Meters (20 Bar ISO)

Battery Life Approx. 5 years (CR2016)

Key Features

• Shock-Resistant Structure: Absolute resistance to impacts and mechanical vibrations from any direction thanks to G-Shock’s original hollow case structure.
• Biomass Materials: Case and strap made from eco-friendly plastic derived from renewable organic resources, reducing the carbon footprint without compromising durability in the slightest.
• Full Perpetual Calendar: Automatically pre-programmed to accurately handle months of varying lengths and leap years through the year 2100.
• Precision Chronograph and Timer:
  • 1/100-second stopwatch with a measurement capacity of up to 24 hours (elapsed time, split time, and 1st and 2nd place times).
  • Countdown timer with a 24-hour range and automatic repeat.
• Display Illumination: High-intensity LED backlight (Super Illuminator) with adjustable afterglow to ensure perfect readability in total darkness.
• Multifunction Alerts: Multifunction alarm (daily, date-based, monthly), configurable hourly chime, and flashing alert (Flash Alert) synchronized with the alarms and timer.

E-commerce Optimization Notes (For Backend / SEO):

1. Title Cleanup: The duplicate title from the original has been condensed, while retaining the key terms for global and JDM search.
2. Case Dimensions: The inconsistency in the original (which only listed 50 mm in the table) has been corrected to reflect the complete official bezel dimensions ($53.2 \times 50 \times 18.7 \text{ mm}$).