Brand New Authentic Longines Master Collection Moonphase 40mm Chronograph Steel Men's Watch Model L2.673.4.78.6. Brushed and Polished Stainless Steel case with Brushed and Polished Stainless Steel watch band. Fixed bezel. Dial description - Silver Textured Roman Numeral Chronograph with Day, Date, Month and Moon Phase Features dial. Silver dial. Automatic Self Winding movement. Scratch Resistant Sapphire crystal. Case size - 40mm. Case thickness - 14mm. 30 Meters / 100 Feet water resistant. 2 year WatchMaxx warranty. Also known as model - L26734786, L2-673-4-78-6. Longines Master Collection Moonphase 40mm Chronograph Steel Men's Watch L2.673.4.78.6