Steel Grey Longines Master Collection L27934796 Men's Watch with Blue Index and Hands The Longines Master Collection is a combination of classic elegance and excellent quality for those who appreciate exceptional watches. This steel gray Longines watch for men features a 40mm wide case with a silver dial and 60 seconds scale. The watch has distinctive blue hands and blue Roman numerals as indexes. You can find the date display at three o'clock. The stylish design is completed by a steel strap with both a brushed and a shiny surface. The strap has a three-fold clasp with buttons. The Longines Masten Collection watch has automatic movements with a power reserve up to 72 hours and the dial is protected by a scratch-resistant sapphire crystal. The background of the watch is also transparent and protected by sapphire glass. Model number: L27934796 Case material: stainless steelCase color: steel grayCase diameter: 40 mm Watch thickness: 9.35 mmStrap material: stainless steel Strap color: steel grayStrap width: 21 mm Watch weight: 144.7 g Sapphire glass, scratch-free Dial color: silver, blue indices and hands Date display Water resistance: 30 meters (3 bar) Movement: automaticPower reserve up to 72 hours