Steel Grey Longines Master Collection L27934592 Men's Watch with Black Dial and Brown Leather Strap The Longines Master Collection is a combination of classic elegance and excellent quality for those who appreciate exceptional watches. This steel grey Longines watch for men features a 40mm wide case with a black dial and rotating seconds scale. The watch has silver hands and Roman numerals as indexes. You can find the date display at three o'clock. The stylish watch is completed by a brown alligator leather strap with 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: L27934592 Case material: stainless steelCase color: steel grayCase diameter: 40 mm Watch thickness: 9.35 mm Strap material: leather (alligator skin on top, calf leather below)Strap color: brownStrap width: 21 mm Watch weight: 70.1 g Sapphire glass, scratch-free Dial color: black Date display Water resistance: 30 meters (3 bar) Movement: automaticPower reserve up to 72 hours