... 3.Soft over moulded rubber 4.Injection moulding Electronic watch display case Description:· Material: Modified PP· Two Press & Pull Latches· ... · Lifetime guarantee· Anti shock, waterproof, airproof, dustproof, anti high or low temperature(-30°C to 120°C), environment-friendly ... reference: 1, Anti-shock, waterproof, airproof, dustproof, anti high or low temperature(degree Celsius : -30°C to 120°C ...