Model: Mondaine Watch - Official Swiss Railway Watch: Mondaine Men's Chronograph Watch A690.30308.14SBB Case material: Solid stainless steel case Case dimensions: 41mm (1 5/8") Movement: Swiss Ronda 5040.B quartz movement Crystal type: Scratch resistant mineral crystal Crown Push and pull crown Water resistant: 30 meter (can withstand splashes of water or rain) Dial color: Black dial Band type: Genuine 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