G-Shock • GSTB1000D-2A Casio 12 months on rechargeable battery

12 months on rechargeable battery (operation period with normal use without exposure to light after charge) 22 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)

Case Diameter: 36 mm

the “mother factory” where the first-ever G-SHOCK was made

Powered by Bulovas proprietary three-prong quartz crystal Precisionist movement with a 262kHz vibrational frequency--eight times greater than standard quartz watches--for unparalleled accuracy

G-Shock • GSTB1000D-2A Casio 12 months on rechargeable batteryTough, innovative, functional beauty reimagined in sharp, minimalist style. The GST B1000D carries on the G SHOCK heritage of tough construction and design rooted in functional beauty, reconstructing this legacy to achieve a polished, sleek expression. The bezel goes logo free for a clean, modern look, while three separate finishes vertical hairline, circular hairline, and mirror polishing create a rich and sophisticated textural appeal that changes