Edox Men's 'Chronoffshore' Swiss Quartz Stainless Steel Diving Watch, Color:Silver-Toned (Model: 10020 3M NBU) Imported Chronoffshore timepieces must meet very demanding criteria and feature specific technical aspects such as ceramic bezel, stated water resistance, or carbon dials. Class-1 timepieces emphasize Edox tradition and know-how on building and engineering watches for high level and offshore competitions Ceramic is a non-metallic and anti-allergenic mineral material that undergoes treatment in a high-temperature environment. It is twice as hard as stainless steel, and virtually scratch resistant Swiss-quartz Movement Case Diameter: 45mm Water Resistant To 984 Feet