The Blancpain L-Evolution GMT Alarm 8841113453B watch features a round 43.5mm stainless steel case with a transparent sapphire crystal case back. Its strap is made of black crocodile leather and features a stainless steel deployment buckle.Its dial is a subtle blend of black & grey patterns and features luminous hour markers, steel hands, GMT second time zone, and date display. Its scratch resistant sapphire crystal glass ensures the watch remains legible for a long time. Its manually-wound movement has a 40-hour power reserve. The watch is water resistant to 100 meters /330 feet.