Where to find sterile closed case backs for Radiomir?

[fitmic]

Where do I find sterile non branded closed case backs for 45mm and/or 47mm Radiomirs?

Thanks for taking time answering my question.

[irolexu]

I've seen them on ebay

[spankster23]

River has them for 47mm, it depends where you got the case frame. Nightwatch also carries 47mm

[fitmic]

Thanks guys!