Brand New Authentic Longines Master Collection Automatic 38.5mm Men's Watch Model L2.628.4.51.6. Polished Stainless Steel case with Stainless Steel watch band. Hidden Folding Push Button clasp. Dial description: Black "barleycorn" dial. Black dial. Automatic Self Winding Caliber L619.2 with 21 Jewels movement. Winding crown. Scratch Resistant Sapphire crystal. Case size: 38mm. Case thickness: 9.5mm. 30 Meters - 100 Feet water resistant. 2 year WatchMaxx warranty. Also known as model: L26284516.