FULL METAL GMC-B2100 SERIES GMC-B2100AD-2A
Case size (L× W× H) 51.3 × 46.3 × 12.4 mm Weight 171 g Case and bezel material Stainless steel Band Stainless Steel Band Solid Band One-touch 3-fold Clasp Construction Shock Resistant Water resistance 200-meter water resistance Time adjustment Bluetooth: Connects to a smartphone and automatically adjusts the time Power supply and battery life Tough Solar (Solar powered) Country Of Origin Japan