Dial diameter: 40 mm. Brushed and polished 904L stainless steel case. Mirror material: Anti-reflective and scratch-resistant sapphire glass. Date displayed via Cyclops lens at 3 o’clock. Blue GMT hands with arrows circle the dial every 24 hours and allow tracking of a second time zone. Blue and black bidirectional rotating 24-hour bezel with Cerachrom inset in ceramic, engraved numerals and indexes. Automatic winding movement. 70 hours power reserve. Chromalight lasting blue luminous hands and dot hour markers. The crown is screwed down using a triple-lock triple waterproof system. Screw into the back of the case. Folding Oysterlock with easylink 5mm comfort extension links. Water resistant to 100 meters/330 feet.