Oris Big Crown ProPilot Okavango Air Rescue Limited Edition comes in a 41mm diameter stainless steel case. The case, which has a curved sapphire crystal on the front and a solid and engraved metal cover on the back, is waterproof up to 100 meters. The sporty case sports a fixed bezel with a coin-edge pattern and a large Oris signed winding crown. Functionality-Plain 3-Hand Movement-Automatic