Omega gents de ville presige co axial 368mmsteel red gold on steel red goldcaliber omega 2500 self winding chronometer co axial escapement movement with rhodium plated finishpower reserve 48 hourschronometerdatecrystal domed scratch resistant sapphire crystal with anti reflective treatment insidecase steel red golddial silverwater resistance 3 bar 30 metres 100 feetsize case diameter 368 mm