Stainless steel Oyster case. Dial diameter: 44 mm. Unidirectional rotating bezel with ceramic scratch-resistant Cerachrom insert. The power reserve is about 70 hours. Black dial. Chromalight display with permanent black glow. Functions: central hours, minutes, seconds and date. Stainless steel Oyster bracelet. Folding Oysterlock with Rolex Glidelock extension system.