This Casablanca Theorema is a handmade mechanical watch. It is made in Germany and is a precise, reliable timepiece. The lens is sapphire coated, and the strap features silver-plated stainless steel. The case is made using 316L stainless steel and has a water resistance of up to 3 ATM. It is packaged in its original Theorema box and comes with a two-year warranty. Visit https://tufinawatches.com/ for more information and get worldwide free shipping when you order online.