About LONGINES Master Collection Men's Watch
Round stainless steel case with scratch-resistant sapphite crystal glass. Transparent case back with sapphire crystal. Dimensions of the case 44 mm. Water resistant to 3 BAR. Black barleycorn dial and painted Roman numerals. Automatic movement with caliber L688. Self winding mechanical movement beating at 28 800 vibrations per hour and providing 54 hours power reserve. Column Wheel Chronigraph, with central 60 second hand, 30 min counter at 3 o'clock and 12 hours counter at 6 o'clock.