Longines Master Collection Automatic Men's Watch Model L29094517. Features a 40mm round stainless steel case, black dial with Roman numeral hour markers and moon phase sub-dial, automatic movement with 64 hours power reserve, black leather alligator strap, scratch-resistant sapphire crystal, fixed bezel, transparent case back, deployment clasp, water resistant to 30 meters (100 feet), includes a 2 year WatchMaxx warranty.