Luminox Bear Grylls enters survival mode with the Bear Grylls Rule of 3 watch. Its 42 mm case is crafted from durable, eco-friendly #tide upcycled plastic. This model features a black dial and strap, a removable, adjustable Rule of 3 table, and a signature crown ring from Grylls's range, all with water resistance up to 200 meters.- Swiss Quartz Movement - Constant glow for up to 25 Years - Approximately 50 Months Battery Life - 42mm Case Size - 100% Recycled ocean-bound plastic material case and strap - 14mm Case Thickness - Hardened Mineral Crystal - 200 Meters Water Resistant