Longines combines the traditional aesthetic of the brands original timepieces with cutting-edge watchmaking technology. The Longines Master Collection brings together classical elegance and exceptional craftsmanship, with each timepiece fitted with self-winding movements. Stainless steel 42mm case. Automatic Calibre L688 movement. 66 hour power reserve. Ref:L27594926. Product Information Brand: Longines Movement: Automatic Case Material: Stainless Steel Case Size: 42mm Thickness: 14.2mm Glass Material: Sapphire Crystal Hour Marker: Applied Indexes Dial: Sunray Blue Gender: Mens