The Longines Master Collection 190th Anniversary L27934732 wristwatch has a silver dial and a gray alligator leather strap The Longines Master Collection 190th Anniversary wristwatch is part of the exclusive watch collection that Longines presents in honor of its 190th anniversary. This Longines Master Collection watch features a 40mm wide steel case, a silver dial and distinctive blue hands. The steel gray watch case is combined with a gray alligator-patterned leather strap. The finished Longines Master Collection 190th Anniversary wristwatch has an automatic movement with a power reserve of 72 hours and a silicone balance spring. The movement of the clock mechanism can be admired through the transparent back, which has a unique commemorative engraving. The dial and the back are protected by a scratch-resistant sapphire crystal. Known for its winged hourglass logo, Longines is one of the oldest Swiss manufacturers of quality watches. The selection of the brand, which has been influential since 1832, includes both classic models and sports watches that underline performance. Model number: L27934732 Shell material: stainless steel Shell color: steel gray Shell width: 40 mm Watch thickness: 9.35 mm Strap material: calfskin (alligator patterned) Bracelet color: gray Bracelet width: 21 mm Watch weight: 69.1 g Sapphire glass, scratch-free Dial color: silver, blue hands Water resistance: 30 meters (3 bar) Mechanism: automatic Availability: 72 hours See all Longines watches here