The Casio Edifice ECB-900DB-1BER is a stylish analog-digital watch with a stainless steel case and bracelet for a bold, sporty look. It features Bluetooth connectivity for smartphone time sync and world time updates. Powered by Tough Solar, it charges from light for reliable, maintenance-free performance. With a chronograph, lap timer, alarms, countdown timer, and LED light, it’s built for both everyday wear and active lifestyles. Basic InformationCase size : 51.5 × 48 × 13.9 mmWeight : 163 gCase and bezel material : Stainless steelBand : Stainless Steel Band, One-touch 3-fold ClaspWater resistance: 100-metre water resistanceBluetooth: Connects to a smartphone and automatically adjusts the timePower supply and battery life: Tough Solar (Solar powered) Smartphone Link/App Connectivity FeaturesSmartphone Link feature : Mobile link (Wireless linking using Bluetooth)Apps : CASIO WATCHESApp connectivity feature : Auto time adjustment / Easy watch setting / Approximately 300 world time cities / Stopwatch data transfer / Phone finderExteriorGlass: Mineral GlassBezel features : TachymeterWatch FeaturesWorld Time: 39 time zones (with smartphone sync), DST auto switch, home/world city swap.Chronograph & Timer: 1/1000-sec stopwatch (200 lap records, speed display) + 24-hour countdown timer.Daily Functions: 5 alarms, hourly signal, full auto-calendar (to 2099), 12/24-hour format.Lighting & Power: Double white LED light, Tough Solar charging, power saving mode, battery level indicator.