Armourlites Professional 47mm Steel Band Watch is built like a tank. Shatterproof Armourglass crystal far surpasses the durability of traditional crystal. To be clear, most watches have a glass strength of 700 Vickers, but Armourglass has been tested to a hardness of 6,000 Vickers. Solid 316L stainless steel case and stainless steel band match the durability of the crystal to ensure years of reliable service. Swiss-made Ronda 517 quartz movement. Custom rubber ring in the watchs construction helps absorb and resist shock. Water-resistant to 100 meters. Case dia: 47mm. Wt:2 oz. Available: Black Face/Stainless Steel Band Also features day and date function. Black Face/Black Stainless Steel Band Also features day and date function. Black Face/Black Stainless Steel GMT (not shown) Also features date and 24-hour GMT function. Blackout Face/Black Stainless Steel Band (not shown) Also features day and date function. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Color: Stainless steel. Gender: Male. Age Group: Adult. Pattern: Solid. Type: Analog Watches.