1945 is published at Oyster Perpetual Datejust is the first watch with a calendar display function. Specially designed small window convex lens, so that the calendar displayed at a glance. Automatic chain, water depth of 100 meters / 330 feet. Model: 116200, certification: cosc certification, watch Size: 36 mm, Material: stainless steel outer ring: arched, surface: blue concentric pattern, strap: to commemorate the crown-type strap with buckle, Movement: Automatic on the chain, waterproof: water depth of 100 meters / 330 feet, the date the calendar displays located convex transparent magnifying glass, glass: blue crystal. 904l stainless steel, in order to create a watch casing, Rolex use a unique 904l stainless steel. 904l have a very excellent corrosion resistance, widely used in chemical industries. 904l is an extremely hard, super alloys, but also highly polished,
watches bvlgari, and Rolex selection of other precious metals, with very great accuracy.