Brand New Authentic Longines Master Collection Automatic 40mm Day-Date Blue Dial Leather Strap Men's Watch Model L2.910.4.92.0. Stainless Steel case with Blue Leather Alligator strap. Deployment with Push Button and Foldover clasp. Fixed bezel. Dial description: Silver Tone Hands and Index hour markers with minute markers around the outer rim on a Blue dial. Automatic movement. 64 hours power reserve. Watch functions: Date, Hour, Minute, Second. Pull/Push crown. Scratch Resistant Sapphire crystal. Round case shape. Case size: 40mm. Transparent case back. 30 Meters - 100 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: L29104920.