Model: Mondaine Watch - Official Swiss Railway Watch: Mondaine Men's Chronograph Watch A690.30338.14SBB Case material: Solid stainless steel case Case dimensions: 42mm in diameter, 12mm in thickness, 3 oz in weight Movement: Swiss quartz movement Crystal type: Scratch resistant sapphire crystal Crown Push and pull crown Water resistant: 30 meters Dial color: Black dial with White index markers Band type: Black leather strap Lug width: 22mm Additional features: Big date display; Chronograph functions Warranty: All Mondaines watches are backed by a 2 year manufacturer's warranty