The Oris Diving Aquis Date Caliber 400 41.5mm watch is a timeless classic manufactured by the Swiss brand Oris. Oris has been a leading manufacturer of quality timepieces since 1904 and is known for its unique designs and innovative technologies. This watch exemplifies the brand's unrivaled quality and design. The case of the watch is made of stainless steel and has a round shape. The diameter is 41.5mm and the water resistance is specified as 300m. Functionality-Plain 3-Hand Movement-Automatic