The Luminox Bear Grylls Survival Master series features a 45mm case, bezel, and straps made from #tide upcycled plastic sourced from reclaimed ocean water bottles. This new chronograph is offered in an ocean blue dial and strap. The case back displays the Luminox, Bear Grylls, and #tide logos, and the watch is water-resistant up to 200 meters.- Chronograph - Approximately 50 Months Battery Life- Constant glow for up to 25 Years - 45mm Case Size - 100% Recycled ocean-bound plastic material Case and Strap- 14mm Case Thickness - Sapphire Crystal- 200 Meters Water Resistant