Brand New Authentic Longines Master Collection Automatic 40mm Silver Dial Leather Strap Men's Watch Model L2.673.4.71.2. Stainless Steel case with Blue Alligator Leather strap. Deployment clasp. Fixed bezel. Dial description - Blue hands and Roman Numeral hour markers with minute markers around the outer rim and 3 sub-dials on a Silver dial. Automatic movement. Calendar - Day of the Week and Month display below 12 o'clock and Date indicated by large central hand. Chronograph sub-dials display - Small Seconds, 30 Minute, 12 Hours. Powered by Longines Caliber L687 engine with 66 hours power reserve. Watch functions - Date, Power Reserve, Hour, Minute, Second, Chronograph, GMT. Scratch Resistant Sapphire crystal. Round case shape. Case size - 40mm. Case thickness - 14.3mm. Transparent case back. 30 Meters - 100 Feet water resistant. 2 year WatchMaxx warranty. Also known as model - L26734712.