Most aggressive use of color and finishes in our watches to date. Durable materials and construction at a competitive price Stainless steel (316L) case, caseback (screw-in, engravable). Water resistant to 100 meters, screw-down crown. 24mm Silicon strap with instructions for using the watch as a compass. 45 month battery. Scratch and chip-resistant mineral glass crystal with anti-reflective coating . No screws on strap or caseback.