Casio G-Shock G-STEEL GST-B400 Series Solar Bluetooth Analog Digital Watch GSTB400D-1A

Casio G-Shock G-STEEL GST-B400 Series Solar Bluetooth Analog Digital Watch GSTB400D-1A • Case dimensions (L × W × H): 46.6 × 49.6 × 12.9 mm • Weight: 80 g • Case and bezel materials: Case / bezel materials: Resin / stainless steel • Strap: Resin strap • Construction: Shockproof; Carbon core shield structure • Water resistance: 200 meters water resistance • Power supply and battery life: Tough Solar • Smartphone connection function: Mobile phone connection (using Bluetooth® wireless connection) • Application: CASIO Watch • Glass: Mineral glass • Surface treatment: Black ion-plated case • Compatible strap size: 145 to 215 mm • Others: Neobrite • World time: World time 38 time zones • Stopwatch • Timer function • Alarm/Hourly alarm: 5 daily alarms; Hourly alarm • Lighting effect: Dual LED lights The dial uses LED lights • Lighting color: LED: white • Calendar: Fully automatic calendar (until 2099) • Mute function: Button operation of the sound on/off • Energy saving function: Power saving • Run time: Approximate battery life: 7 months for rechargeable battery • Accuracy: Accuracy: ±15 seconds per month (without Mobile Link feature) =======================================