Casio G-Shock GBM‑2100A‑2B

🔹 Design & Build

• Case Size: 49.3 × 44.4 × 11.9 mm 
• Case & Bezel Material: Stainless steel bezel + glass fibre-reinforced resin inner case
• Band/Strap Material: Bio-based resin band 
• Crystal: Mineral glass 
• Case Shape: Round with an octagonal bezel design (heritage of classic G-SHOCK look) 
• Finish: Polished stainless steel bezel (mirror polish on the sides, hairline finish on top) 
• Clasp: Standard buckle/ Resin band with tang buckle typical for G-Shock designs (band style)
• Weight: Approx. 360 g

🔹 Specifications

• Brand: Casio
• Collection/Series: G-STEEL / GBM-2100 line 
• Gender: Unisex 
• Movement: Tough Solar (solar-powered) + Bluetooth Smartphone Link connectivity 
• Water Resistance: 20 bar (200 metres) water resistance
• Strap Material: Bio-based resin band
• Case Material: Resin (bio-based) inner case + stainless steel bezel 
• Dial: Blue dial with silvery indexes (for this “2B” variant) 
• Functionality: Time, World Time (approx. 300 cities), Stopwatch, Countdown Timer, 5 Daily Alarms, Double LED Light (Super Illuminator) 
• Product Weight: 360 g 

🔹 Key Features

• 🛠 Shock Resistant structure — heritage of the G-SHOCK line. 
• 🔋 Tough Solar charging system: no regular battery changes, recharged via light.
• 🌍 200 m Water Resistance: suitable for swimming and snorkeling (not necessarily deep diving) 
• ♻️ Eco-friendly Materials: key resin components made with bio-based resin (reducing environmental impact)
• 💡 High-contrast dial & Super Illuminator (double LED light) for readability in dark environments. 
• 🔷 Stylish octagonal metal bezel: a modern take on the classic G-SHOCK “CasiOak” styling (octagonal bezel) with refined metal finish. 

📦 In the Box

• Casio G-Shock GBM-2100A-2B Watch × 1
• Warranty Card × 1 
  

💡 Why Choose This Model?
✅ Highly durable and functional — the shock resistance, 200 m water resistance, solar power and smartphone connectivity make it a very versatile everyday watch.
✅ Contemporary design — the metal-covered octagonal bezel gives it a premium and modern aesthetic, suitable for casual wear, business casual, even field/outdoors use.
✅ Eco-conscious materials — the use of bio-based resin is a nice extra for those who care about sustainable materials.
✅ Minimal maintenance — solar power and automatic time sync via Bluetooth reduce the need to set time or replace batteries.
✅ Good value for a feature-rich watch from a recognized brand like G‑SHOCK / Casio.