Dial diameter: 41 mm. Mirror material: Anti-reflective and scratch-resistant sapphire. Unidirectional rotating bezel with 60-minute mark with scratch-resistant ceramic Cerachrom disc, PVD-coated platinum numerals and indexes. Baffle Material: Ceramic. Waterproof up to 300 meters. Permanent mechanical self-winding movement. The power reserve is approximately 70 hours. Black dial.