Authentic Longines automatic men's watch with blue dial and brown alligator skin strap features a fixed bezel, scratch-resistant sapphire crystal glass, round 42mm stainless steel case measuring 14.5mm thick. Equipped with date display, day of the week calendar, month indicator at 12 o'clock position, chronograph function with sub-dials for seconds and minutes, moon phase complication, automatic winding mechanism powered by Caliber L687 movement. Water resistant up to 30 meters (approx. 100 feet) or 1 bar, includes a 2 year WatchMaxx warranty.