Stress fracture in case

Question

was on vaccation. over the time i was gone got home noticed it had a crack in housing. when on trip i didnt fall or bang my wrist on anything? it is were the band meets the housing could the crack come from stress? is it know to crack. is cerramic prone to a crack? cause it doesnt have a impact like it was hit or dropped. do you think technomarine would cover this? do you know what the cost would be to replace the housing?