Case size (L× W× H) icon-question for Case size (L× W× H) 59 × 54.7 × 15.7 mm Weight icon-question for Weight 71 g Case and bezel material Bio-based Carbon / Bio-based resin / Stainless steel Band Bio-based resin band Construction Shock Resistant Carbon Core Guard structure 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) Smartphone Link/App Connectivity Features Smartphone link feature Wireless linking using Bluetooth® Apps CASIO WATCHES App connectivity Auto time adjustment Easy watch setting Approximately 300 world time cities Trip Log Phone finder Watch Size: 48mm Material: Titanium Movement Type: Solar Features: Water Resistant Brand: Casio