The G-Shock G-B2100KB-2AJR is a highly sought-after JDM Limited Edition born from the historic collaboration with I.C.E.R.C. under the motto “Love the Sea and the Earth”. This spectacular version of the iconic “CasiOak” design pays tribute to the oceans with an exclusive blue color scheme and dedicated details. Beyond its extreme durability, it incorporates the latest eco-friendly Tough Solar technology, Bluetooth connectivity for absolute timekeeping precision, and a sustainable construction using biomass plastics. A collector’s piece that is as environmentally friendly as it is indestructible.

🌟 Collection and Sustainability Features

• I.C.E.R.C. JDM Limited Edition: Designed exclusively for the Japanese domestic market in support of whale and dolphin research and protection. Features unique commemorative details on the dial, strap, and case back.
• Eco-Friendly Commitment (Biomass Plastics): The case, bezel, and strap are made from resins based on renewable organic materials (biomass), drastically reducing the ecological footprint of their production.
• Tough Solar Technology: A high-efficiency solar charging system patented by Casio. It is capable of generating power even in dim artificial light, offering up to 18 months of battery life in power-saving mode without exposure to sunlight.
• Smartphone Link (Bluetooth®): Wireless connection to your phone via the CASIO app for automatic world time synchronization (300 cities), setting reminders, phone location (Phone Finder), and route logging (Time & Place).
• Carbon Core Guard Structure: A thin, lightweight inner case made of carbon fiber-reinforced resin protects the module from impacts, keeping the watch’s thickness at a sleek 11.9 mm.

⚙️ Technical Specifications

Attribute Detail

Reference / Model G-B2100KB-2AJR (2100 Series / Limited Edition)

Origin JDM (Japanese Domestic Market)

Gender Men’s / Unisex (Sporty-Urban Collection Style)

Case Dimensions 48.5 mm (Length) × 45.4 mm (Width) × 11.9 mm (Thickness)

Weight Ultra-light: 52 grams

Case / Bezel Material Carbon Fiber-Reinforced Biomass Resin

Structure Shock Resistant & Carbon Core Guard

Crystal Hardened mineral crystal with Neobrite treatment on hands

Water Resistance 200 meters (20 BAR / 660 feet) - Suitable for free diving and high-impact water activities

Connectivity Bluetooth® Mobile Link (Auto-sync, ~300 cities, Phone Finder)

Lighting Dual high-intensity white LED lights (Super Illuminator)

B Battery LifeB 7 months of regular use / 18 months in power-saving mode

B Accuracy without AppB Standard quartz with a deviation of ±15 seconds per month

📊 Advanced Watch Functions

• B World Time:B 38 international time zones (38 cities + UTC) with automatic daylight saving time adjustment.
• Full Stopwatch: 1/100-second measurement unit with split-time and lap functions.
• Countdown Timer: Adjustable up to 60 minutes in 1-second intervals.
• Daily Alarms: 5 independent alerts with optional hourly chime.
• Hand Retraction Function: The analog hands move automatically when a button is pressed to clear the view of the digital LCD display.
• Perpetual Calendar: Fully automated until the year 2099 with a configurable date indicator and day names in 6 languages (including Spanish).