G shock | Casio Black Digital Vibration Alert Watch - GD350-1B G Shock Digital Watch GA-140GB-1A1 Accuracy: ± 15 seconds per

Accuracy: ± 15 seconds per month

G-SHOCK's first analog-digital combination timepiece that was released in 1989

) *Changeover between meters (m) and feet (ft)

Time adjustment: GPS signal reception: Auto receive (with no mobile link function

Glass: Mineral Glass

G shock | Casio Black Digital Vibration Alert Watch - GD350-1B G Shock Digital Watch GA-140GB-1A1 Accuracy: ± 15 seconds perG Shock Casio Watch Digital, GB350 Series Mens Watch Vibration Alert This new G SHOCK is designed and engineered for those special dark, secret missions that demand something extra. The timer function is has a large, specially designed easily identifiable dedicated button for quick and sure operation under the toughest of conditions. When the timer reaches the end of its countdown, you can select to be alerted by either a vibration operation or a tone