Longines HydroConquest L37813967 Wristwatch with Blue Dial and Gold-Tone Details This Longines HydroConquest wristwatch is a stylish combination of blue, yellow gold and steel grey. The sun-brushed, blue dial has gold-colored hands and gold-rimmed indexes. The hands and indexes have luminescence. The dial is surrounded by a blue, ceramic ring that rotates in one direction. The rim is decorated with a wheel-like, gold-colored steel part. The 41 mm wide steel case has a gold-colored crown and the steel bracelet has a gold-colored center. The watch from the HydroConquest collection has an automatic movement with a 72-hour power reserve and a scratch-resistant sapphire crystal with an anti-reflective coating. The watch is water-resistant up to 300 meters, so it is also suitable for diving. Model number: L37813967 Case material: stainless steelCase color: steel greyCase diameter: 41 mm Watch thickness: 11.9 mm Bezel material: ceramic Rim color: blueStrap material: stainless steel Strap color: steel gray and goldStrap width: 21 mm Watch weight: 184.2 g Sapphire glass, scratch-free Dial color: blue, sun brushed Water resistance: 300 meters (30 bar) Date display Mechanism: automatic Availability: 72 hours