Model: Mondaine Watch - Official Swiss Railway Watch: Mondaine Night Vision Collection A669.30308.14SBB Case material: Solid stainless steel Case dimensions: 41mm (1 5/8) Movement: Swiss Ronda 509 quartz movement Crystal type: Scratch resistant mineral crystal Crown Push and pull crown Dial color: Black dial Band type: Black leather band Lug width: 22mm Additional features: Big date display; Luminous hands and markers (self powered illumination systems glows permanently for years) Warranty: All Mondaines watches are backed by a 2 year manufacturer's warranty "