Dial diameter: 42 mm. The polished stainless steel Twinlock crown has two sealing areas when screwed into the crown: the first inside the crown tube and the second inside the winding crown. White dial. Applied polished white gold hour markers with luminous filling. Finely printed minute/second track. Polished hands. GMT / Dual Time Zone: Off-centre black 24-hour ring. Power reserve: 72 hours. Water Resistance: 100 meters �C 330 feet. Mirror material: Anti-reflective and scratch-resistant sapphire glass. Clasp Type: Folding Oysterlock with Easylink 5 mm Comfort Extension.