Casio Men's 'G-Steel by G-Shock' Quartz Solar Bluetooth Connected Resin Dress Watch, Color: Black (Model: GST-B100-1ACR)
Smartphone Link Functions; Battery Level Indicator; New Layer Guard Structure; Tough Solar; Dual Dial World Time; Chronograph
200 Meter Water Resistance; Shock Resistance; Neobrite; Bluetooth Capability ; 5 months on rechargeable battery (Operation Period with normal use without exposure to light after charge) ; 24 months on rechargeable battery ( Operation period when stored in total darkness with the power save function on after full charge )
Quartz Movement. Countdown range- 24 hours. Countdown start time setting range- 1 minute to 24 hours (1-minute increments and 1-hour increments)
Case Diameter: 53.8mm ; total weight 185g
Water resistant 200m (660ft): in general, suitable for professional marine activity and serious surface water sports, but not diving