Casio G-Shock Men's Watch GBX-100-7 Digital G-Lide GBX-100 Series Shock Resistant Mobile link (Wireless linking using Bluetooth®)Mineral Glass G-SHOCK G-STEEL The highly scratch-resistant sapphire crystal

The highly scratch-resistant sapphire crystal has a non-reflective coating on its inner surface to enhance readability

The lower left button has a sparkling metallic blue finish

Accuracy: about ± 30 seconds per month

The entire series is made of resin straps and has waterproof function

which helps to ensure that nothing gets into the watch when down and dirty work takes you deep into the dirt and sludge

Casio G-Shock Men's Watch GBX-100-7 Digital G-Lide GBX-100 Series Shock Resistant Mobile link (Wireless linking using Bluetooth®)Mineral Glass G-SHOCK G-STEEL The highly scratch-resistant sapphire crystalFeatures These new models are the latest additions to the G LIDE lineup of G SHOCK sports watches, which are a favorite choice among the world's top surfers. These new models come with the ability to display information required by surfers (high tide and low tide times and levels), and to use a phone application for simple selection of one of approximately 3,300 locations around the globe. The wide face and a high definition MIP (Memory In Pixel) LCD