Model: Mondaine Watch - Official Swiss Railway Watch: Mondaine A660.30314.11SBB Case material: Solid stainless steel Case dimensions: 36mm (1 7/8") Movement: Swiss Ronda 313 quartz movement Crystal type: Scratch resistant mineral crystal Crown Push and pull crown Dial color: White dial Band type: Black leather band Lug width: 18mm Warranty: All Mondaines watches are backed by a 2 year manufacturer's warranty